plausichecks: added semester to StudenstatusNachAbbrecher/Diplomand checks, removed space in CORE_STUDENTSTATUS_0022 text

fas statusbearbeitung sperre check: isStatusBeforeStudent - simplified expression
issue AbschlusspruefungOderAbsolventFehlt: added Studiensemester and moved distinct for correct resolving, added status fehler to fehler.php and IssueResolver
2026-06-01 12:19:28 +00:00 · 2026-05-29 19:14:53 +02:00 · 2026-05-29 18:05:09 +02:00 · 2026-05-27 23:23:56 +02:00 · 2026-05-26 15:38:53 +02:00 · 2026-05-26 13:30:13 +02:00
189 changed files with 15428 additions and 2031 deletions
@@ -0,0 +1,514 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+$config['fehler'] = array(
+	array(
+		'fehlercode' => 'CORE_ZGV_0001',
+		'fehler_kurzbz' => 'zgvDatumInZukunft',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Datum in Zukunft',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => array('core'),
+		'producerLibName' => 'ZgvDatumInZukunft',
+		'resolverLibName' => 'CORE_ZGV_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0002',
+		'fehler_kurzbz' => 'zgvDatumVorGeburtsdatum',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Datum vor Geburtsdatum',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvDatumVorGeburtsdatum',
+		'resolverLibName' => 'CORE_ZGV_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0003',
+		'fehler_kurzbz' => 'zgvMasterDatumInZukunft',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Masterdatum in Zukunft',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvMasterDatumInZukunft',
+		'resolverLibName' => 'CORE_ZGV_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0004',
+		'fehler_kurzbz' => 'zgvMasterDatumVorZgvdatum',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Masterdatum vor Zgvdatum',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvMasterDatumVorZgvdatum',
+		'resolverLibName' => 'CORE_ZGV_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_ZGV_0005',
+		'fehler_kurzbz' => 'zgvMasterDatumVorGeburtsdatum',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'ZGV Masterdatum vor Geburtsdatum',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZgvMasterDatumVorGeburtsdatum',
+		'resolverLibName' => 'CORE_ZGV_0005',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0001',
+		'fehler_kurzbz' => 'keinAufenthaltszweckPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Aufenthaltszweck gefunden',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'KeinAufenthaltszweckPlausi',
+		'resolverLibName' => 'CORE_INOUT_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0002',
+		'fehler_kurzbz' => 'zuVieleZweckeIncomingPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es sind %s Aufenthaltszwecke eingetragen (max. 1 Zweck für Incomings)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'ZuVieleZweckeIncomingPlausi',
+		'resolverLibName' => 'CORE_INOUT_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0003',
+		'fehler_kurzbz' => 'falscherIncomingZweckPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aufenthaltszweckcode ist %s (für Incomings ist nur Zweck 1, 2, 3 erlaubt)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscherIncomingZweckPlausi',
+		'resolverLibName' => 'CORE_INOUT_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0004',
+		'fehler_kurzbz' => 'outgoingAufenthaltfoerderungfehltPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Keine Aufenthaltsfoerderung angegeben (bei Outgoings >= 29 Tage Monat im Ausland muss mind. 1 gemeldet werden)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OutgoingAufenthaltfoerderungfehltPlausi',
+		'resolverLibName' => 'CORE_INOUT_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0005',
+		'fehler_kurzbz' => 'outgoingAngerechneteEctsFehlenPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Angerechnete ECTS fehlen (Meldepflicht bei Outgoings >= 29 Tage Monat im Ausland)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OutgoingAngerechneteEctsFehlenPlausi',
+		'resolverLibName' => 'CORE_INOUT_0005',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0006',
+		'fehler_kurzbz' => 'outgoingErworbeneEctsFehlenPlausi',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Erworbene ECTS fehlen (Meldepflicht bei Outgoings >= 29 Tage Monat im Ausland)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OutgoingErworbeneEctsFehlenPlausi',
+		'resolverLibName' => 'CORE_INOUT_0006',
+		'producerIsResolver' => false
+	),
+
+	/** Plausichecks **/
+	array(
+		'fehlercode' => 'CORE_INOUT_0007',
+		'fehler_kurzbz' => 'IncomingHeimatNationOesterreich',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Heimatnation bei Incoming Österreich',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'IncomingHeimatNationOesterreich',
+		'resolverLibName' => 'CORE_INOUT_0007',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0008',
+		'fehler_kurzbz' => 'IncomingOhneIoDatensatz',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Incoming hat keinen IO Datensatz (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'IncomingOhneIoDatensatz',
+		'resolverLibName' => 'CORE_INOUT_0008',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_INOUT_0009',
+		'fehler_kurzbz' => 'IncomingOrGsFoerderrelevant',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Incoming oder gemeinsames Studium ist nicht als nicht förderrelevant markiert. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'IncomingOrGsFoerderrelevant',
+		'resolverLibName' => 'CORE_INOUT_0009',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0001',
+		'fehler_kurzbz' => 'StgPrestudentUngleichStgStudent',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Studiengang des Prestudenten ist ungleich dem Studiengang des Studenten. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StgPrestudentUngleichStgStudent',
+		'resolverLibName' => 'CORE_STG_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0002',
+		'fehler_kurzbz' => 'OrgformStgUngleichOrgformPrestudent',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es ist kein Studienplan mit Studiengang (%s) und Organisationsform (%s) des Studenten zugewiesen. (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OrgformStgUngleichOrgformPrestudent',
+		'resolverLibName' => 'CORE_STG_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0003',
+		'fehler_kurzbz' => 'PrestudentMischformOhneOrgform',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Organisationsform ist für Studierenden/BewerberIn in Mischformstudiengang nicht eingetragen. (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'PrestudentMischformOhneOrgform',
+		'resolverLibName' => 'CORE_STG_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STG_0004',
+		'fehler_kurzbz' => 'StgPrestudentUngleichStgStudienplan',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Studiengang des Prestudenten passt nicht zu Studiengang des Studienplans. (prestudent_id %s, Studienplan %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StgPrestudentUngleichStgStudienplan',
+		'resolverLibName' => 'CORE_STG_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0001',
+		'fehler_kurzbz' => 'AbbrecherAktiv',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'AbbrecherIn hat aktiven Benutzer. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AbbrecherAktiv',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0002',
+		'fehler_kurzbz' => 'StudentstatusNachAbbrecher',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aktiver Status nach Abbrecher Status. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StudentstatusNachAbbrecher',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0003',
+		'fehler_kurzbz' => 'AusbildungssemPrestudentUngleichAusbildungssemStatus',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Ausbildungssemester %s des aktuellen Status stimmt nicht mit Ausbildungssemester %s bei StudentIn (Lehrverband) überein. (student_uid %s, prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'AusbildungssemPrestudentUngleichAusbildungssemStatus',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0004',
+		'fehler_kurzbz' => 'InaktiverStudentAktiverStatus',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Inaktiver Benutzer hat aktiven Status. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'InaktiverStudentAktiverStatus',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0005',
+		'fehler_kurzbz' => 'InskriptionVorLetzerBismeldung',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Datum der Inskription liegt vor dem Datum der letzten BIS-Meldung %s. (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'InskriptionVorLetzerBismeldung',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0005',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0006',
+		'fehler_kurzbz' => 'DatumStudiensemesterFalscheReihenfolge',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Datum und Studiensemester sind bei den Status in falscher Reihenfolge. (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DatumStudiensemesterFalscheReihenfolge',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0006',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0007',
+		'fehler_kurzbz' => 'AktiverStudentOhneStatus',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aktive/r StudentIn ohne aktuellen Status (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AktiverStudentOhneStatus',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0007',
+		'producerIsResolver' => false
+	),
+	//~ array(
+		//~ 'fehlercode' => 'CORE_STUDENTSTATUS_0008',
+		//~ 'fehler_kurzbz' => 'StudienplanUngueltig',
+		//~ 'fehlercode_extern' => null,
+		//~ 'fehlertext' => 'Studienplan %s ist im Ausbildungssemester %s nicht gültig (prestudent_id %s)',
+		//~ 'fehlertyp_kurzbz' => 'error',
+		//~ 'app' => 'core',
+		//~ 'producerLibName' => 'StudienplanUngueltig',
+		//~ 'resolverLibName' => 'CORE_STUDENTSTATUS_0008',
+		//~ 'producerIsResolver' => false
+	//~ ),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0009',
+		'fehler_kurzbz' => 'FalscheAnzahlAbschlusspruefungen',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Mehrere oder keine bestandenen Abschlussprüfungen (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscheAnzahlAbschlusspruefungen',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0009',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0010',
+		'fehler_kurzbz' => 'DatumAbschlusspruefungFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Abschlussprüfung Datum (prestudent_id %s, abschlusspruefung_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DatumAbschlusspruefungFehlt',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0010',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0011',
+		'fehler_kurzbz' => 'DatumSponsionFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Sponsionsdatum (prestudent_id %s, abschlusspruefung_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DatumSponsionFehlt',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0011',
+		'producerIsResolver' => false
+	),
+	//~ array(
+		//~ 'fehlercode' => 'CORE_STUDENTSTATUS_0012',
+		//~ 'fehler_kurzbz' => 'BewerberNichtZumRtAngetreten',
+		//~ 'fehlercode_extern' => null,
+		//~ 'fehlertext' => 'Bewerber nicht zum Reihungstest angetreten (prestudent_id %s)',
+		//~ 'fehlertyp_kurzbz' => 'warning',
+		//~ 'app' => 'core',
+		//~ 'producerLibName' => 'BewerberNichtZumRtAngetreten',
+		//~ 'resolverLibName' => 'CORE_STUDENTSTATUS_0012',
+		//~ 'producerIsResolver' => false
+	//~ ),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0013',
+		'fehler_kurzbz' => 'AktSemesterNull',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Aktuelles Ausbildungssemester ist 0 (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AktSemesterNull',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0013',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0014',
+		'fehler_kurzbz' => 'AbschlussstatusFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Kein Abschlussstatus (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'AbschlussstatusFehlt',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0014',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0015',
+		'fehler_kurzbz' => 'AktiverStudentstatusOhneKontobuchung',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Keine Kontobuchung bei aktivem Studentstatus (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AktiverStudentstatusOhneKontobuchung',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0015',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0016',
+		'fehler_kurzbz' => 'DualesStudiumOhneMarkierung',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'StudentIn in dualem Studiengang nicht als dual markiert (prestudent_id %s, Studienplan %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'DualesStudiumOhneMarkierung',
+		'resolverLibName' => 'CORE_STUDENTSTATUS_0016',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0017',
+		'fehler_kurzbz' => 'BeginndatumVorBismeldung',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Statusdatum vor Bismeldedatum eingetragen, nachdem das Bismeldedatum erreicht wurde  (prestudent_id %s, Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'BeginndatumVorBismeldung',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0018',
+		'fehler_kurzbz' => 'StudentstatusNachDiplomand',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Studentstatus nach Diplomandenstatus (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StudentstatusNachDiplomand',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0019',
+		'fehler_kurzbz' => 'OrgformBewerberUngleichOrgformStudent',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Orgform des Bewerbers (Studienplan) stimmt nicht mit Orgform des ersten Studenten überein (prestudent_id %s, Student Studiensemester %s, Bewerber Studiensemester %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'OrgformBewerberUngleichOrgformStudent',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0020',
+		'fehler_kurzbz' => 'StartsemesterUngleichPersonenkennzeichen',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Semester des ersten Studentstatus stimmt nicht mit Personenkennzeichen überein (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'StartsemesterUngleichPersonenkennzeichen',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0021',
+		'fehler_kurzbz' => 'AbschlusspruefungOderAbsolventFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Keine Abschlussprüfung vor der Bismeldung oder kein Absolventenstatus vor der Bismeldung (prestudent_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'AbschlusspruefungOderAbsolventFehlt',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_STUDENTSTATUS_0022',
+		'fehler_kurzbz' => 'FalscheStatusabfolgeVorStudentstatus',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Falsche Statusabfolge vor Studentstatus (prestudent_id %s, Studiensemester %s, richtige Abfolge: %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscheStatusabfolgeVorStudentstatus',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0001',
+		'fehler_kurzbz' => 'GbDatumWeitZurueck',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Geburtsdatum vor dem 01.01.1920',
+		'fehlertyp_kurzbz' => 'warning',
+		'app' => 'core',
+		'producerLibName' => 'GbDatumWeitZurueck',
+		'resolverLibName' => 'CORE_PERSON_0001',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0002',
+		'fehler_kurzbz' => 'NationNichtOesterreichAberGemeinde',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Nation der Adresse ist ungleich Österreich, es ist aber eine österreichische Gemeinde (%s) angegeben (adresse_id %s)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'NationNichtOesterreichAberGemeinde',
+		'resolverLibName' => 'CORE_PERSON_0002',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0003',
+		'fehler_kurzbz' => 'FalscheAnzahlHeimatadressen',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es sind mehrere oder keine Heimatadressen eingetragen',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscheAnzahlHeimatadressen',
+		'resolverLibName' => 'CORE_PERSON_0003',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0004',
+		'fehler_kurzbz' => 'FalscheAnzahlZustelladressen',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Es sind mehrere oder keine Zustelladressen eingetragen',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'FalscheAnzahlZustelladressen',
+		'resolverLibName' => 'CORE_PERSON_0004',
+		'producerIsResolver' => false
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0005',
+		'fehler_kurzbz' => 'geburtsnationFehlt',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Geburtsnation nicht vorhanden',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'GeburtsnationFehlt',
+		'resolverLibName' => null,
+		'producerIsResolver' => true
+	),
+	array(
+		'fehlercode' => 'CORE_PERSON_0006',
+		'fehler_kurzbz' => 'uhstatPersonkennungFehltCore',
+		'fehlercode_extern' => null,
+		'fehlertext' => 'Personkennung fehlt (vBpk AS, vBpk BF oder Ersatzkennzeichen fehlt)',
+		'fehlertyp_kurzbz' => 'error',
+		'app' => 'core',
+		'producerLibName' => 'UhstatPersonkennungFehltCore',
+		'resolverLibName' => 'CORE_PERSON_0006',
+		'producerIsResolver' => false
+	)
+);
@@ -208,7 +208,14 @@ $config['navigation_header'] = array(
                    'expand' => true,
                    'sort' => 30,
                    'requiredPermissions' => 'lehre/anrechnungszeitfenster:rw'
-                )
+                ),
+				'dashboardadmin' => array(
+					'link' => site_url('dashboard/Admin'),
+					'description' => 'Dashboard Admin',
+					'expand' => true,
+					'sort' => 40,
+					'requiredPermissions' => 'dashboard/admin:r'
+				)
 			)
 		)
 	)
@@ -511,10 +511,11 @@ class Abgabe extends FHCAPI_Controller
 			return $projektarbeit->projektarbeit_id;
 		};
 		$projektarbeiten_ids = array_map($mapFunc, $projektarbeiten->retval);
-
-		$ret = $this->ProjektarbeitModel->getProjektarbeitenAbgabetermine($projektarbeiten_ids);
-		$projektabgaben = $this->getDataOrTerminateWithError($ret, 'general');
 		
+		if(count($projektarbeiten_ids) > 0) {
+			$ret = $this->ProjektarbeitModel->getProjektarbeitenAbgabetermine($projektarbeiten_ids);
+			$projektabgaben = $this->getDataOrTerminateWithError($ret, 'general');
+		}
 		
 		forEach($projektarbeiten->retval as $pa) {
 			
@@ -846,9 +847,10 @@ class Abgabe extends FHCAPI_Controller
 	private function getProjektbetreuerEmailByProjektarbeitID($projektarbeit_id) {
 		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
 		$result = $this->ProjektarbeitModel->getProjektbetreuerEmail($projektarbeit_id);
-		$email = $this->getDataOrTerminateWithError($result, 'general');
-		
-		return $email[0]->uid ? $email[0]->uid.'@'.DOMAIN : $email[0]->private_email;
+		if(count($result->retval) > 0) {
+			$email = getData($result);
+			return $email[0]->uid ? $email[0]->uid.'@'.DOMAIN : $email[0]->private_email;
+		} else return '';

 	}

@@ -208,7 +208,6 @@ class Documents extends FHCAPI_Controller
 		$this->load->model('system/Vorlage_model', 'VorlageModel');

 		$result = $this->VorlageModel->load($xsl);
-		$this->addMeta("ress", $result);
 		$vorlage = current($this->getDataOrTerminateWithError($result));
 		if (!$vorlage)
 			show_404();
@@ -221,7 +220,7 @@ class Documents extends FHCAPI_Controller
 			'gedruckt' => true,
 			'insertamum' => date('c'),
 			'insertvon' => getAuthUID(),
-			'uid' => $this->input->post_get('uid') ?: '',
+			'uid' => $this->input->post_get('uid') ?: null,
 			'archiv' => true,
 			'signiert' => !!$sign_user,
 			'stud_selfservice' => $vorlage->stud_selfservice
@@ -251,6 +250,9 @@ class Documents extends FHCAPI_Controller
 					'studiensemester_kurzbz' => $ss,
 					'student_uid' => $akteData['uid']
 				]);
+
+				if (!hasData($result)) $this->terminateWithError($this->p->t("stv", "error_noLehrverbandAssigned"));
+
 				$res = current($this->getDataOrTerminateWithError($result));

 				$studiengang_kz = $res->studiengang_kz;
@@ -332,6 +334,7 @@ class Documents extends FHCAPI_Controller
 			if ($prestudent_id) {
 				$this->load->model('crm/prestudent_model', 'PrestudentModel');
 				$this->PrestudentModel->addJoin('public.tbl_studiengang', 'studiengang_kz', 'LEFT');
+				$this->PrestudentModel->addSelect('tbl_prestudent.*, UPPER(typ || kurzbz) AS kuerzel');
 				$result = $this->PrestudentModel->load($prestudent_id);
 				$prestudent = current($this->getDataOrTerminateWithError($result));

@@ -0,0 +1,121 @@
+<?php
+/**
+ * Copyright (C) 2026 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about addresses
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Board extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'list'					=> 'dashboard/admin:r',
+			'create'				=> 'dashboard/admin:rw',
+			'update'				=> 'dashboard/admin:rw',
+			'delete'				=> 'dashboard/admin:rw'
+		]);
+
+		// Models
+		$this->load->model('dashboard/Dashboard_model', 'DashboardModel');
+	}
+
+	public function list()
+	{
+		$result = $this->DashboardModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function create()
+	{
+		$dashboard_kurzbz = $this->input->post('dashboard_kurzbz');
+		
+		$result = $this->DashboardModel->insert([
+			'dashboard_kurzbz' => $dashboard_kurzbz
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function update()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('dashboard_id', 'Dashboard ID', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$dashboard_id = $this->input->post('dashboard_id');
+		$dashboard_kurzbz = $this->input->post('dashboard_kurzbz');
+		$beschreibung = $this->input->post('beschreibung');
+
+		$result = $this->DashboardModel->update([
+			'dashboard_id' => $dashboard_id
+		], [
+			'dashboard_kurzbz' => $dashboard_kurzbz,
+			'beschreibung' => $beschreibung
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function delete()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('dashboard_id', 'Dashboard ID', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$dashboard_id = $this->input->post('dashboard_id');
+
+		//delete all presets
+		$this->load->model('dashboard/Dashboard_Preset_model', 'DashboardPresetModel');
+
+		$result = $this->DashboardPresetModel->delete([
+			'dashboard_id' => $dashboard_id
+		]);
+		$this->getDataOrTerminateWithError($result);
+
+		//delete all widgets
+		$this->load->model('dashboard/Dashboard_Widget_model', 'DashboardWidgetModel');
+
+		$result = $this->DashboardWidgetModel->delete([
+			'dashboard_id' => $dashboard_id
+		]);
+		$this->getDataOrTerminateWithError($result);
+
+		$result = $this->DashboardModel->delete($dashboard_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($result);
+	}
+}
@@ -0,0 +1,200 @@
+<?php
+/**
+ * Copyright (C) 2026 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about addresses
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Preset extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'list'					=> 'dashboard/admin:r',
+			'getBatch'				=> 'dashboard/admin:r',
+			'addWidget'				=> 'dashboard/admin:rw',
+			'removeWidget'			=> 'dashboard/admin:rw'
+		]);
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui'
+		]);
+
+		// Libraries
+		$this->load->library('dashboard/DashboardLib');
+
+		// Models
+		$this->load->model('ressource/Funktion_model', 'FunktionModel');
+	}
+
+	public function list($dashboard_kurzbz)
+	{
+		$sql = "
+			WITH
+			dashboard_presets AS (
+				SELECT
+					*
+				FROM
+					dashboard.tbl_dashboard_preset dp
+				JOIN
+					dashboard.tbl_dashboard d ON d.dashboard_id = dp.dashboard_id
+				WHERE
+					d.dashboard_kurzbz = {$this->db->escape($dashboard_kurzbz)}
+			),
+			general AS 	(
+				SELECT
+					'general' AS funktion_kurzbz,
+					'Allgemein' AS beschreibung
+			)
+
+			(
+				SELECT
+					f.funktion_kurzbz,
+					f.beschreibung,
+					COUNT(p.preset_id) AS has_preset
+				FROM
+					general f
+				LEFT JOIN
+					dashboard_presets p ON p.funktion_kurzbz IS NULL
+				GROUP BY
+					f.funktion_kurzbz, f.beschreibung
+			)
+			UNION ALL
+			(
+				SELECT
+					f.funktion_kurzbz,
+					f.beschreibung,
+					COUNT(p.preset_id) AS has_preset
+				FROM
+					public.tbl_funktion f
+				LEFT JOIN
+					dashboard_presets p ON p.funktion_kurzbz = f.funktion_kurzbz
+				GROUP BY
+					f.funktion_kurzbz, f.beschreibung
+				ORDER BY
+					f.beschreibung ASC
+			)
+		";
+
+		$result = $this->FunktionModel->execReadOnlyQuery($sql);
+
+		$funktionen = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($funktionen);
+	}
+
+	public function getBatch()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('db', 'Dashboard', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$db = $this->input->post('db');
+		$funktionen = $this->input->post('funktionen') ?: [];
+
+		$result = [];
+
+		foreach ($funktionen as $funktion) {
+			$conf = $this->dashboardlib->getPreset($db, $funktion);
+			if ($conf) {
+				$preset = json_decode($conf->preset, true);
+				if (!isset($preset[$funktion]) || !isset($preset[$funktion]['widgets']))
+					$result[$funktion] = [];
+				else
+					$result[$funktion] = $preset[$funktion]['widgets'];
+			} else {
+				$result[$funktion] = [];
+			}
+		}
+
+		return $this->terminateWithSuccess($result);
+	}
+
+	public function addWidget()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('dashboard', 'Dashboard', 'required');
+		$this->form_validation->set_rules('funktion_kurzbz', 'Funktion', 'required');
+		$this->form_validation->set_rules('widget[widget]', 'Widget', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$dashboard_kurzbz = $this->input->post('dashboard');
+		$funktion_kurzbz = $this->input->post('funktion_kurzbz');
+		$widget = $this->input->post('widget');
+
+		if (!isset($widget['widgetid']))
+			$widget['widgetid'] = $this->dashboardlib->generateWidgetId($dashboard_kurzbz);
+
+		$preset = $this->dashboardlib->getPresetOrCreateEmptyPreset($dashboard_kurzbz, $funktion_kurzbz);
+
+		$preset_decoded = json_decode($preset->preset, true);
+		
+		$this->dashboardlib->addWidgetsToWidgets($preset_decoded, $dashboard_kurzbz, $funktion_kurzbz, [$widget]);
+
+		$preset->preset = json_encode($preset_decoded);
+
+		$result = $this->dashboardlib->insertOrUpdatePreset($preset);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($widget['widgetid']);
+	}
+
+	public function removeWidget()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('db', 'Dashboard', 'required');
+		$this->form_validation->set_rules('funktion_kurzbz', 'Funktion', 'required');
+		$this->form_validation->set_rules('widgetid', 'Widget', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$dashboard_kurzbz = $this->input->post('db');
+		$funktion_kurzbz = $this->input->post('funktion_kurzbz');
+		$widgetid = $this->input->post('widgetid');
+
+		$preset = $this->dashboardlib->getPreset($dashboard_kurzbz, $funktion_kurzbz);
+		if (!$preset)
+			show_404();
+
+		$preset_decoded = json_decode($preset->preset, true);
+
+		if (!$this->dashboardlib->removeWidgetFromWidgets($preset_decoded, $funktion_kurzbz, $widgetid))
+			show_404();
+
+		$preset->preset = json_encode($preset_decoded);
+
+		$result = $this->dashboardlib->insertOrUpdatePreset($preset);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(array('msg' => $this->p->t('dashboard', 'success_savePreset')));
+	}
+}
@@ -0,0 +1,159 @@
+<?php
+/**
+ * Copyright (C) 2026 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about the users dashboard
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class User extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'get'							=> 'dashboard/benutzer:r',
+			'addWidget'						=> 'dashboard/benutzer:rw',
+			'removeWidget'					=> 'dashboard/benutzer:rw'
+		]);
+
+		// Libraries
+		$this->load->library('dashboard/DashboardLib');
+
+		// Models
+		$this->load->model('ressource/Funktion_model', 'FunktionModel');
+	}
+
+	public function get($dashboard_kurzbz)
+	{
+		$dashboard = $this->dashboardlib->getDashboardByKurzbz($dashboard_kurzbz);
+		if (!$dashboard)
+			show_404();
+		
+		$uid = $this->authlib->getAuthObj()->username;
+
+		/*$mergedconfig = $this->dashboardlib->getMergedConfig($dashboard->dashboard_id, $uid);
+
+		$this->terminateWithSuccess([
+			'general' => call_user_func_array(
+				'array_merge_recursive',
+				$mergedconfig
+			)
+		]);*/
+		$defaultconfig = $this->dashboardlib->getDefaultConfig($dashboard->dashboard_id);
+		$userconfig = $this->dashboardlib->getUserConfig($dashboard->dashboard_id, $uid);
+
+		$defaultconfig_squashed = $defaultconfig ? call_user_func_array('array_replace_recursive', $defaultconfig) : [];
+		$userconfig_squashed = $userconfig ? call_user_func_array('array_replace_recursive', $userconfig) : [];
+
+		$mergedconfig = array_replace_recursive($defaultconfig_squashed, $userconfig_squashed);
+
+		$this->terminateWithSuccess([
+			DashboardLib::SECTION_IF_FUNKTION_KURZBZ_IS_NULL => $mergedconfig
+		]);
+	}
+
+	public function addWidget()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('dashboard', 'Dashboard', 'required');
+		$this->form_validation->set_rules('widget[widget]', 'Widget', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$widget = $this->input->post('widget');
+		$dashboard_kurzbz = $this->input->post('dashboard');
+		$uid = $this->authlib->getAuthObj()->username;
+		
+		if (!isset($widget['widgetid']))
+			$widget['widgetid'] = $this->dashboardlib->generateWidgetId($dashboard_kurzbz);
+
+		$override = $this->dashboardlib->getOverrideOrCreateEmptyOverride($dashboard_kurzbz, $uid);
+		
+		$override_decoded = json_decode($override->override, true);
+
+		if (!isset($override_decoded['general']) || !is_array($override_decoded['general']))
+			$override_decoded['general'] = [];
+
+		 if (!isset($override_decoded['general']['widgets']))
+				$override_decoded['general']['widgets'] = [];
+
+		$override_decoded['general']['widgets'][$widget['widgetid']] = $widget;
+
+		// NOTE(chris): remove doubles in other funktionen
+		foreach ($override_decoded as $funktion => $array) {
+			if ($funktion == 'general')
+				continue;
+			if (isset($array['widgets']) && isset($array['widgets'][$widget['widgetid']]))
+				unset($override_decoded[$funktion]['widgets'][$widget['widgetid']]);
+		}
+		
+		$override->override = json_encode($override_decoded);
+				
+		$result = $this->dashboardlib->insertOrUpdateOverride($override);
+
+		$this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($widget['widgetid']);
+	}
+
+	public function removeWidget()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('dashboard', 'Dashboard', 'required');
+		$this->form_validation->set_rules('widget', 'Widget', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$widget_id = $this->input->post('widget');
+		$dashboard_kurzbz = $this->input->post('dashboard');
+		$uid = $this->authlib->getAuthObj()->username;
+		
+		$override = $this->dashboardlib->getOverride($dashboard_kurzbz, $uid);
+		if (!$override)
+			show_404();
+		
+		$override_decoded = json_decode($override->override, true);
+
+		foreach (array_keys($override_decoded) as $k) {
+			if (!isset($override_decoded[$k]["widgets"])) {
+				unset($override_decoded[$k]);
+				continue;
+			}
+			if (isset($override_decoded[$k]["widgets"][$widget_id])) {
+				unset($override_decoded[$k]["widgets"][$widget_id]);
+			}
+			if (!$override_decoded[$k]["widgets"]) {
+				unset($override_decoded[$k]);
+			}
+		}
+
+		$override->override = json_encode($override_decoded);
+				
+		$result = $this->dashboardlib->insertOrUpdateOverride($override);
+
+		$this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess();
+	}
+}
@@ -0,0 +1,137 @@
+<?php
+/**
+ * Copyright (C) 2026 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about the users dashboard
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Widget extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'get'							=> ['dashboard/benutzer:r', 'dashboard/admin:r'],
+			'list'							=> 'dashboard/admin:r',
+			'listAllowed'					=> ['dashboard/benutzer:rw', 'dashboard/admin:r'],
+			'setAllowed'					=> 'dashboard/admin:rw'
+		]);
+
+		// Libraries
+		$this->load->library('dashboard/DashboardLib');
+
+		// Models
+		$this->load->model('dashboard/Widget_model', 'WidgetModel');
+	}
+
+	public function get($id)
+	{
+		$result = $this->WidgetModel->load($id);
+
+		$widget = $this->getDataOrTerminateWithError($result);
+
+		if (!$widget)
+			return $this->terminateWithSuccess([
+				"widget_id" => 0,
+				"widget_kurzbz" => "notfound",
+				"arguments" => [
+					"className" => 'alert-danger',
+					"title" => 'Widget Not Found',
+					"msg" => 'The widget with the id ' . $id . ' could not be found'
+				],
+				"setup" => [
+					"name" => 'Widget Not Found',
+					"file" => absoluteJsImportUrl('public/js/components/DashboardWidget/Default.js'),
+					"width" => 1,
+					"height" => 1
+				]
+			]);
+
+		$widget = current($widget);
+		$widget->arguments = json_decode($widget->arguments);
+		$tmpsetup = json_decode($widget->setup);
+		$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
+		$widget->setup = $tmpsetup;
+
+		$this->terminateWithSuccess($widget);
+	}
+
+	public function list($dashboard)
+	{
+		$result = $this->WidgetModel->getWithAllowedForDashboard($dashboard);
+
+		$widgets = $this->getDataOrTerminateWithError($result);
+
+		$widgets = array_map(function ($widget) {
+			$widget->arguments = json_decode($widget->arguments);
+			$tmpsetup = json_decode($widget->setup);
+			$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
+			$widget->setup = $tmpsetup;
+			return $widget;
+		}, $widgets);
+
+		$this->terminateWithSuccess($widgets);
+	}
+
+	public function listAllowed($dashboard)
+	{
+		$result = $this->WidgetModel->getForDashboard($dashboard);
+
+		$widgets = $this->getDataOrTerminateWithError($result);
+
+		$widgets = array_map(function ($widget) {
+			$widget->arguments = json_decode($widget->arguments);
+			$tmpsetup = json_decode($widget->setup);
+			$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
+			$widget->setup = $tmpsetup;
+			return $widget;
+		}, $widgets);
+
+		$this->terminateWithSuccess($widgets);
+	}
+
+	public function setAllowed()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('dashboard_id', 'Dashboard', 'required');
+		$this->form_validation->set_rules('widget_id', 'Widget', 'required');
+		$this->form_validation->set_rules('allowed', 'Allowed', 'is_bool');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$data = [
+			'dashboard_id' => $this->input->post('dashboard_id'),
+			'widget_id' => $this->input->post('widget_id')
+		];
+
+		$this->load->model('dashboard/Dashboard_Widget_model', 'DashboardWidgetModel');
+		
+		if ($this->input->post('allowed'))
+			$result = $this->DashboardWidgetModel->insert($data);
+		else
+			$result = $this->DashboardWidgetModel->delete($data);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+}
@@ -0,0 +1,200 @@
+<?php
+defined('BASEPATH') || exit('No direct script access allowed');
+
+class IssueChecker extends FHCAPI_Controller
+{
+	const DEFAULT_PERMISSION = 'system/issues_verwalten:r';
+
+	protected $person_id;
+	protected $_extensionName = null;
+	protected $_fehlercodes = [];
+	protected $_apps = [];
+
+	protected $errors = [];
+	protected $infos = [];
+
+	public function __construct($permissions = [])
+	{
+		$default_permissions = [
+			'checkPerson' => self::DEFAULT_PERMISSION,
+			'countPersonOpenIssues' => self::DEFAULT_PERMISSION
+		];
+
+		if(!is_array($permissions))
+		{
+			$this->terminateWithError("Issue Checker: permissions must be an array");
+		}
+
+		$merged_permissions = array_merge($default_permissions, $permissions);
+
+		parent::__construct($merged_permissions);
+
+		$this->load->model('system/Issue_model', 'IssueModel');
+		$this->load->model('system/Fehler_model', 'FehlerModel');
+		$this->load->model('person/Person_model', 'PersonModel');
+
+		$producerArgs = [];
+		$resolverArgs = [];
+
+		// get fehler kurzbz from fehlercodes, if fehlercodes provided
+		if (!isEmptyArray($this->_fehlercodes))
+		{
+			$this->FehlerModel->addSelect('fehlercode, fehler_kurzbz');
+			$this->FehlerModel->db->where_in('tbl_fehler.fehlercode', $this->_fehlercodes);
+			$fehlerKurzbzRes = $this->FehlerModel->load();
+
+			if (isError($fehlerKurzbzRes)) $this->terminateWithError(getError($fehlerKurzbzRes), self::ERROR_TYPE_GENERAL);
+			if (hasData($fehlerKurzbzRes))
+			{
+				$producerArgs['fehlerKurzbz'] = array_column(getData($fehlerKurzbzRes), 'fehler_kurzbz');
+				$resolverArgs['fehlercode'] = array_column(getData($fehlerKurzbzRes), 'fehlercode');
+			}
+		}
+		elseif (!isEmptyArray($this->_apps)) // if apps are provided
+		{
+			// get fehlercodes for the apps
+			$fehlerRes = $this->FehlerModel->getByApps($this->_apps);
+			if (hasData($fehlerRes)) $this->_fehlercodes = array_column(getData($fehlerRes), 'fehlercode');
+
+			$producerArgs['apps'] = $this->_apps;
+			$resolverArgs['apps'] = $this->_apps;
+		}
+
+		// load producer and checker libraries with fehler kurbz and fehlercode list
+		$this->load->library(
+			'issues/PlausicheckProducerLib',
+			$producerArgs,
+			'PlausicheckProducerLib'
+		);
+
+		$this->load->library(
+			'issues/PlausicheckResolverLib',
+			$resolverArgs,
+			'PlausicheckResolverLib'
+		);
+
+		$this->load->library('PhrasesLib');
+
+		$this->loadPhrases(
+			array(
+				'ui'
+			)
+		);
+	}
+
+	public function checkPerson()
+	{
+		$person_id = $this->input->post('person_id', true);
+		$hauptzustaendig = filter_var($this->input->post('hauptzustaendig', true), FILTER_VALIDATE_BOOLEAN);
+
+		if (!is_numeric($person_id)) $this->terminateWithError($this->p->t('ui', 'error_invalidId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+
+		$this->person_id = intval($person_id);
+		$this->hauptzustaendig = $hauptzustaendig;
+
+		$persRes = $this->PersonModel->load($this->person_id);
+		if (!hasData($persRes)) $this->terminateWithError('Person with id ' . $this->person_id . ' not found.', self::ERROR_TYPE_GENERAL);
+
+		$this->_produceIssues();
+		$this->_resolveIssues();
+		$this->_produceIssues();
+
+		$openIssueCountRes = $this->_countOpenIssues();
+		if (isError($openIssueCountRes)) $this->terminateWithError(getError($openIssueCountRes), self::ERROR_TYPE_GENERAL);
+
+		$data = array(
+			'person_id' => $this->person_id,
+			'openissues' => hasData($openIssueCountRes) ? getData($openIssueCountRes) : 0
+		);
+
+		$this->addMeta('errors', $this->errors);
+		$this->addMeta('infos', $this->infos);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function countPersonOpenIssues()
+	{
+		$person_id = $this->input->get('person_id', true);
+		$hauptzustaendig = filter_var($this->input->get('hauptzustaendig', true), FILTER_VALIDATE_BOOLEAN);
+
+		if (!is_numeric($person_id)) $this->terminateWithError($this->p->t('ui', 'error_invalidId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+
+		$this->person_id = intval($person_id);
+		$this->hauptzustaendig = $hauptzustaendig;
+
+		$persRes = $this->PersonModel->load($this->person_id);
+
+		if (!hasData($persRes)) $this->terminateWithError('Person with id ' . $this->person_id . ' not found.', self::ERROR_TYPE_GENERAL);
+
+		$openIssueCountRes = $this->_countOpenIssues();
+		if (isError($openIssueCountRes)) $this->terminateWithError(getError($openIssueCountRes), self::ERROR_TYPE_GENERAL);
+
+		$data = array(
+			'person_id' => $this->person_id,
+			'openissues' => hasData($openIssueCountRes) ? getData($openIssueCountRes) : 0
+		);
+
+		$this->addMeta('errors', $this->errors);
+		$this->addMeta('infos', $this->infos);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	protected function _countOpenIssues()
+	{
+		if (isEmptyArray($this->_fehlercodes)) return success([]);
+
+		// load open issues with given errorcodes
+		$openIssuesRes = $this->IssueModel->getOpenIssues(
+			$this->_fehlercodes,
+			$this->person_id,
+			$oe_kurzbz = null,
+			$fehlercode_extern = null,
+			$this->hauptzustaendig
+		);
+
+		// log error if occured
+		if (isError($openIssuesRes)) return $openIssuesRes;
+
+		$issues = hasData($openIssuesRes) ? getData($openIssuesRes) : [];
+		$issuescount = is_array($issues) || $issues instanceof Countable ? count($issues) : 0;
+
+		return success($issuescount);
+	}
+
+	protected function _produceIssues()
+	{
+		$result = $this->PlausicheckProducerLib->producePlausicheckIssues(
+			array('person_id' => $this->person_id)
+		);
+
+		// log if error, or log info if inserted new issue
+		if (isset($result->errors))
+			$this->errors = array_merge($this->errors, $result->errors);
+		if (isset($result->infos))
+			$this->infos = array_merge($this->infos, $result->infos);
+	}
+
+	protected function _resolveIssues()
+	{
+		// load open issues with given errorcodes
+		$openIssuesRes = $this->IssueModel->getOpenIssues(
+			$this->_fehlercodes,
+			$this->person_id
+		);
+
+		if (hasData($openIssuesRes))
+		{
+			$openIssues = getData($openIssuesRes);
+
+			$result = $this->PlausicheckResolverLib->resolvePlausicheckIssues($openIssues);
+
+			// log if error, or log info if inserted new issue
+			if (isset($result->errors))
+				$this->errors = array_merge($this->errors, $result->errors);
+			if (isset($result->infos))
+				$this->infos = array_merge($this->infos, $result->infos);
+		}
+	}
+}
@@ -0,0 +1,104 @@
+<?php
+
+defined('BASEPATH') || exit('No direct script access allowed');
+
+
+class Issues extends FHCAPI_Controller
+{
+	const DEFAULT_PERMISSION = 'system/issues_verwalten:r';
+
+	public function __construct() {
+
+		parent::__construct(
+			array(
+				'getOpenIssuesByProperties' => Self::DEFAULT_PERMISSION,
+				'getPersonenMitOffenenIssues' => Self::DEFAULT_PERMISSION
+			)
+		);
+
+		// Loads authentication library and starts authenticationfetc
+		$this->load->library('AuthLib');
+
+		$this->load->model('extensions/FHC-Core-Personalverwaltung/Api_model','ApiModel');
+		$this->load->model('person/Person_model','PersonModel');
+		$this->load->model('system/Fehler_model','FehlerModel');
+		$this->load->model('system/Issue_model', 'IssueModel');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+	}
+
+	public function getOpenIssuesByProperties()
+	{
+		$person_id = $this->input->get('person_id', true);
+		$oe_kurzbz = $this->input->get('oe_kurzbz', true);
+		$fehlertyp_kurzbz = $this->input->get('fehlertyp_kurzbz', true);
+		$apps = $this->input->get('apps', true);
+		$behebung_parameter = $this->input->get('behebung_parameter', true);
+		$hauptzustaendig = filter_var($this->input->get('hauptzustaendig', true), FILTER_VALIDATE_BOOLEAN);
+
+		if (isset($person_id) && !is_numeric($person_id))
+			$this->terminateWithError('person id is not numeric!');
+
+		if (isset($behebung_parameter) && !is_array($behebung_parameter))
+			$this->terminateWithError('Behebung parameter invalid');
+
+		$issueRes = $this->IssueModel->getOpenIssuesByProperties(
+			$person_id,
+			$oe_kurzbz,
+			$fehlertyp_kurzbz,
+			$apps,
+			$behebung_parameter,
+			$hauptzustaendig
+		);
+
+		if (isError($issueRes))
+		{
+			$this->terminateWithError(getError($issueRes));
+		}
+
+		$this->terminateWithSuccess(hasData($issueRes) ? getData($issueRes) : []);
+	}
+
+	public function getPersonenMitOffenenIssues()
+	{
+
+		$sql = <<<EOSQL
+SELECT
+
+		person_id, uid, vorname, nachname, count(*) AS openissues ,
+		(select count(*) anz_aktiv
+		 from hr.tbl_dienstverhaeltnis dv
+		 where dv.mitarbeiter_uid=uid and dv.von<=now() and
+		       (dv.bis is null OR dv.bis>=now())
+		) aktiv
+FROM
+		system.tbl_issue
+JOIN
+		system.tbl_fehler USING (fehlercode)
+JOIN
+		public.tbl_person USING (person_id)
+JOIN
+		public.tbl_benutzer USING (person_id)
+JOIN
+		public.tbl_mitarbeiter ON uid = mitarbeiter_uid
+WHERE
+		app = 'personalverwaltung' AND verarbeitetamum IS NULL
+GROUP BY
+		person_id, uid, vorname, nachname
+HAVING
+		count(*) > 0
+ORDER BY
+		count(*) DESC;
+
+EOSQL;
+
+		$personenmitissues = $this->IssueModel->execReadOnlyQuery($sql);
+		if( hasData($personenmitissues) )
+		{
+			$this->terminateWithSuccess(getData($personenmitissues));
+		}
+		else
+		{
+			$this->terminateWithSuccess(array());
+		}
+	}
+}
@@ -0,0 +1,17 @@
+<?php
+defined('BASEPATH') || exit('No direct script access allowed');
+
+require_once APPPATH.'/controllers/api/frontend/v1/issues/IssueChecker.php';
+
+class StudentIssueChecker extends IssueChecker
+{
+	protected $_apps = array(
+		'core',
+		'dvuh',
+		'bis'
+	);
+
+	//protected $_fehlercodes = array(
+		//~ 'CORE_AA_0001'
+	//);
+}
@@ -42,14 +42,22 @@ class Messages extends FHCAPI_Controller
 		]);
 	}

-	public function getMessages($id, $type_id, $size, $page)
+	public function getMessages($id, $type_id, $size=null, $page=null)
 	{
 		if($type_id != 'person_id'){
 			$id = $this->_getPersonId($id, $type_id);
 		}

-		$offset = $size * ($page - 1);
-		$limit = $size;
+		if(!(is_null($size) && is_null($page)))
+		{
+			$offset = $size * ($page - 1);
+			$limit = $size;
+		}
+		else
+		{
+			$offset = null;
+			$limit = null;
+		}

 		$result = $this->MessageModel->getMessagesForTable($id, $offset, $limit);

@@ -24,6 +24,7 @@ class NotizPerson extends Notiz_Controller
 		//Load Models
 		$this->load->model('person/Benutzer_model', 'BenutzerModel');
 		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');

 		//Permission checks for allowed Oes
 		if ($this->router->method == 'addNewNotiz')
@@ -38,7 +39,7 @@ class NotizPerson extends Notiz_Controller
 			{
 				return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
 			}
-			$this->_checkIfBerechtigungForOneUidExists($person_id, $allowedStgs);
+			$this->_checkIfBerechtigungForOnePrestudentExists($person_id, $allowedStgs);
 		}

 		if ( $this->router->method == 'updateNotiz')
@@ -59,7 +60,7 @@ class NotizPerson extends Notiz_Controller
 			$person_id = current($data)->person_id;

 			$allowedStgs = $this->permissionlib->getSTG_isEntitledFor('assistenz') ?: [];
-			$this->_checkIfBerechtigungForOneUidExists($person_id, $allowedStgs);
+			$this->_checkIfBerechtigungForOnePrestudentExists($person_id, $allowedStgs);
 		}

 		if ($this->router->method == 'deleteNotiz' )
@@ -78,7 +79,7 @@ class NotizPerson extends Notiz_Controller
 			}

 			$allowedStgs = $this->permissionlib->getSTG_isEntitledFor('assistenz') ?: [];
-			$this->_checkIfBerechtigungForOneUidExists($person_id, $allowedStgs);
+			$this->_checkIfBerechtigungForOnePrestudentExists($person_id, $allowedStgs);
 		}
 	}

@@ -99,44 +100,20 @@ class NotizPerson extends Notiz_Controller
 	}

 	//stv: if person has permission of one studiengang of person -> permission to add/update/delete Note
-	private function _checkIfBerechtigungForOneUidExists($person_id, $allowedStgs)
+	private function _checkIfBerechtigungForOnePrestudentExists($person_id, $allowedStgs)
 	{
-		//get all studentUids of person_id
-		$result = $this->BenutzerModel->loadWhere(['person_id' => $person_id]);
+		$result = $this->PrestudentModel->loadWhere(['person_id' => $person_id]);
 		$data = $this->getDataOrTerminateWithError($result);

 		$checkarray = [];
 		foreach ($data as $item)
 		{
-			//check if isStudent
-			$result = $this->StudentModel->isStudent($item->uid);
-
-			$isStudent = $this->getDataOrTerminateWithError($result);
-			if($isStudent)
+			if(in_array($item->studiengang_kz, $allowedStgs))
 			{
-				$checkarray[]  = $this->_checkAllowedStgsFromUid($item->uid, $allowedStgs);
+				return true;
 			}
-
 		}
-		if (!in_array(1, $checkarray))
-			return $this->terminateWithError($this->p->t('ui', 'error_keineBerechtigungStg'), self::ERROR_TYPE_GENERAL);
-	}

-	private function _checkAllowedStgsFromUid($student_uid, $allowedStgs)
-	{
-		$this->load->model('crm/Student_model', 'StudentModel');
-		$result = $this->StudentModel->loadWhere(['student_uid' => $student_uid]);
-
-		$data = $this->getDataOrTerminateWithError($result);
-		$studiengang_kz = current($data)->studiengang_kz;
-
-		if (!in_array($studiengang_kz, $allowedStgs))
-		{
-			return 0;
-		}
-		else
-		{
-			return 1;
-		}
+		$this->terminateWithError($this->p->t('ui', 'error_keineBerechtigungStg'), self::ERROR_TYPE_GENERAL);
 	}
 }
@@ -78,52 +78,32 @@ class Dokumente extends FHCAPI_Controller
 			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);

 		$resultPreDoc = $this->_getPrestudentDokumente($prestudent_id);
-
-		$arrayAccepted = [];
 		$person_id = $this->_getPersonId($prestudent_id);

-		$docNames = array_map(function ($item) {
-			return $item->dokument_kurzbz;
-		}, $resultPreDoc);
+		$mergedArray = [];

-		foreach($docNames as $doc)
+		foreach ($resultPreDoc as $pre)
 		{
-			$result = $this->AkteModel->getAktenFAS($person_id, $doc, $studiengang_kz, $prestudent_id, true);
+			$result = $this->AkteModel->getAktenFAS($person_id, $pre->dokument_kurzbz, $studiengang_kz, $prestudent_id, true);

 			if (isError($result))
-			{
 				return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
-			}
+
 			if (hasData($result))
 			{
-				$data = getData($result);
-				foreach ($data as $value)
+				foreach (getData($result) as $doc)
 				{
-					array_push($arrayAccepted, $value);
+					$merged = clone $doc;
+					$merged->docdatum = $pre->docdatum;
+					$merged->insertvonma = $pre->insertvonma;
+					$merged->bezeichnung = $pre->bezeichnung;
+					$mergedArray[] = $merged;
 				}
 			}
-		}
-
-		//Mapping with document_kurzbz
-		$preDocMap = [];
-		foreach ($resultPreDoc as $pre) {
-			$preDocMap[$pre->dokument_kurzbz] = $pre;
-		}
-
-		$mergedArray = [];
-		foreach ($arrayAccepted as $doc) {
-			$merged = clone $doc;
-
-			if (isset($preDocMap[$doc->dokument_kurzbz])) {
-				$merged->docdatum = $preDocMap[$doc->dokument_kurzbz]->docdatum;
-				$merged->insertvonma = $preDocMap[$doc->dokument_kurzbz]->insertvonma;
-				$merged->bezeichnung = $preDocMap[$doc->dokument_kurzbz]->bezeichnung;
-			} else {
-				$merged->akzeptiertdatum = null;
-				$merged->akzeptiertvon = null;
+			else
+			{
+				$mergedArray[] = $pre;
 			}
-
-			$mergedArray[] = $merged;
 		}

 		$this->terminateWithSuccess($mergedArray);
@@ -48,7 +48,8 @@ class Konto extends FHCAPI_Controller

 		// Load language phrases
 		$this->loadPhrases([
-			'konto'
+			'konto',
+			'lehre'
 		]);
 	}

@@ -112,7 +113,7 @@ class Konto extends FHCAPI_Controller
 	 *
 	 * @return void
 	 */
-	public function getBuchungstypen()
+	public function getBuchungstypen($studiensemester_kurzbz = null)
 	{
 		$this->load->model('crm/Buchungstyp_model', 'BuchungstypModel');

@@ -122,6 +123,7 @@ class Konto extends FHCAPI_Controller

 		$data = $this->getDataOrTerminateWithError($result);

+		$this->_getOEHBeitrag($data, $studiensemester_kurzbz);
 		$this->terminateWithSuccess($data);
 	}

@@ -494,4 +496,43 @@ class Konto extends FHCAPI_Controller

 		$this->terminateWithSuccess();
 	}
+
+	private function _getOEHBeitrag(&$data, $studiensemester_kurzbz = null)
+	{
+		if (is_null($studiensemester_kurzbz))
+		{
+			$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+			$studiensemester_akt = $this->variablelib->getVar('semester_aktuell');
+		}
+		else
+		{
+			$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+			if ($this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+				$studiensemester_akt = $studiensemester_kurzbz;
+			else
+				$this->terminateWithError($this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$this->load->model('codex/Oehbeitrag_model', 'OehbeitragModel');
+		$oehBeitrag = $this->OehbeitragModel->getByStudiensemester($studiensemester_akt);
+
+		$oehStandardbetrag = null;
+		if (hasData($oehBeitrag))
+		{
+			$oeh = getData($oehBeitrag)[0];
+			$summe = ($oeh->studierendenbeitrag + $oeh->versicherung) * -1;
+			$oehStandardbetrag = number_format((float)$summe, 2, '.', '');
+		}
+
+		if ($oehStandardbetrag !== null)
+		{
+			$data = array_map(function ($buchungstyp) use ($oehStandardbetrag) {
+				if (isset($buchungstyp->buchungstyp_kurzbz) && (strtolower($buchungstyp->buchungstyp_kurzbz) === 'oeh'))
+				{
+					$buchungstyp->standardbetrag = $oehStandardbetrag;
+				}
+				return $buchungstyp;
+			}, $data);
+		}
+	}
 }
@@ -626,7 +626,7 @@ class Students extends FHCAPI_Controller
 		$this->addFilter($studiensemester_kurzbz);

 		$result = $this->PrestudentModel->loadWhere($where);
-		
+
 		$data = $this->getDataOrTerminateWithError($result);

 		$this->terminateWithSuccess($data);
@@ -851,40 +851,44 @@ class Students extends FHCAPI_Controller
 		$stdsemEsc = $studiensemester_kurzbz ? $this->PrestudentModel->escape($studiensemester_kurzbz) : 'NULL';

 		$this->load->config('stv');
-		$tags = $this->config->item('stv_prestudent_tags');

-		$whereTags = '';
-		if (is_array($tags) && !isEmptyArray($tags)) {
-			$tags = array_keys($tags);
+		if(defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
+		{
+			$tags = $this->config->item('stv_prestudent_tags');

-			foreach ($tags as $key => $tag) {
-				$tags[$key] = $this->db->escape($tag);
+			$whereTags = '';
+			if (is_array($tags) && !isEmptyArray($tags)) {
+				$tags = array_keys($tags);
+
+				foreach ($tags as $key => $tag) {
+					$tags[$key] = $this->db->escape($tag);
+				}
+				$whereTags = " AND nt.typ_kurzbz IN (" . implode(",", $tags) . ")";
 			}
-			$whereTags = " AND nt.typ_kurzbz IN (" . implode(",", $tags) . ")";
+			$subQueryTag = "
+			  (
+				SELECT
+				  tag.prestudent_id,
+				  COALESCE(json_agg(tag ORDER BY tag.done), '[]'::json) AS tags
+				FROM (
+				  SELECT DISTINCT ON (n.notiz_id)
+					n.notiz_id AS id,
+					nt.typ_kurzbz,
+					array_to_json(nt.bezeichnung_mehrsprachig)->>0 AS beschreibung,
+					n.text AS notiz,
+					nt.style,
+					n.erledigt AS done,
+					nz.prestudent_id
+				  FROM public.tbl_notizzuordnung AS nz
+					JOIN public.tbl_notiz AS n ON nz.notiz_id = n.notiz_id
+					JOIN public.tbl_notiz_typ AS nt ON n.typ = nt.typ_kurzbz "
+				. $whereTags .
+				"
+				) AS tag
+				GROUP BY tag.prestudent_id
+			  ) AS tag_data_agg
+			";
 		}
-		$subQueryTag = "
-		  (
-			SELECT
-			  tag.prestudent_id,
-			  COALESCE(json_agg(tag ORDER BY tag.done), '[]'::json) AS tags
-			FROM (
-			  SELECT DISTINCT ON (n.notiz_id)
-				n.notiz_id AS id,
-				nt.typ_kurzbz,
-				array_to_json(nt.bezeichnung_mehrsprachig)->>0 AS beschreibung,
-				n.text AS notiz,
-				nt.style,
-				n.erledigt AS done,
-				nz.prestudent_id
-			  FROM public.tbl_notizzuordnung AS nz
-				JOIN public.tbl_notiz AS n ON nz.notiz_id = n.notiz_id
-				JOIN public.tbl_notiz_typ AS nt ON n.typ = nt.typ_kurzbz "
-			. $whereTags .
-			"
-			) AS tag
-			GROUP BY tag.prestudent_id
-		  ) AS tag_data_agg
-		";

 		$this->PrestudentModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
 		$this->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
@@ -907,11 +911,17 @@ class Students extends FHCAPI_Controller
 			AND ps.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ') 
 			AND ps.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ')', 'LEFT');

-		$this->PrestudentModel->addJoin($subQueryTag, 'tag_data_agg.prestudent_id = tbl_prestudent.prestudent_id', 'LEFT');
+		if(defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
+		{
+			$this->PrestudentModel->addJoin($subQueryTag, 'tag_data_agg.prestudent_id = tbl_prestudent.prestudent_id', 'LEFT');
+		}


 		$this->PrestudentModel->addSelect("b.uid");
-		$this->PrestudentModel->addSelect('tag_data_agg.tags');
+		if(defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
+		{
+			$this->PrestudentModel->addSelect('tag_data_agg.tags');
+		}
 		$this->PrestudentModel->addSelect('titelpre');
 		$this->PrestudentModel->addSelect('nachname');
 		$this->PrestudentModel->addSelect('vorname');
@@ -81,7 +81,7 @@ class Bismeldestichtag extends Auth_Controller
 			tbl_bismeldestichtag.insertamum, tbl_bismeldestichtag.insertvon, tbl_bismeldestichtag.updateamum, tbl_bismeldestichtag.updatevon'
 		);
 		$this->BismeldestichtagModel->addJoin('public.tbl_studiensemester sem', 'studiensemester_kurzbz', 'LEFT');
-		$this->BismeldestichtagModel->addOrder('semester_start');
+		$this->BismeldestichtagModel->addOrder('semester_start', 'DESC');
 		$this->BismeldestichtagModel->addOrder('meldestichtag', 'DESC');
 		$this->BismeldestichtagModel->addOrder('meldestichtag_id', 'DESC');
 		$this->outputJson($this->BismeldestichtagModel->load());
@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright (C) 2026 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ */
+class Admin extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		// Set required permissions
+		parent::__construct(
+			array(
+				'index' => 'dashboard/admin:rw',
+				'preview' => 'dashboard/admin:r',
+			)
+		);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+	public function index()
+	{
+		$this->load->view('dashboard/admin.php', []);
+	}
+
+	public function preview($dashboard_kurzbz = 'CIS')
+	{
+		$this->load->view('dashboard/preview.php', [
+			'dashboard_kurzbz' => $dashboard_kurzbz
+		]);
+	}
+}
@@ -1,76 +0,0 @@
-<?php
-defined('BASEPATH') || exit('No direct script access allowed');
-
-class Api extends Auth_Controller
-{
-	public function __construct()
-	{
-		parent::__construct(
-			array(
-				'index'		=> 'dashboard/admin:rw',
-				'getNews'	=> 'dashboard/benutzer:r',
-                'getAmpeln'	=> 'dashboard/benutzer:r',
-			)
-		);
-
-		$this->load->library('AuthLib', null, 'AuthLib');
-
-		$this->_setAuthUID();
-	}
-
-	public function index()
-	{
-		echo 'Dashboard API Controller';
-	}
-
-	/**
-	 * Get News.
-	 */
-	public function getNews()
-	{
-		$limit =  $this->input->get('limit');
-
-		$this->load->model('content/News_model', 'NewsModel');
-
-		$result = $this->NewsModel->getAll($limit);
-
-		if (hasData($result))
-		{
-			$this->outputJson(getData($result), REST_Controller::HTTP_OK);
-		}
-		else
-		{
-			$this->terminateWithJsonError('fehler entdeckt');
-		}
-	}
-
-
-	/**
-	 * Get Ampeln.
-	 */
-	public function getAmpeln()
-	{
-
-		$this->load->model('content/Ampel_model', 'AmpelModel');
-		$result = $this->AmpelModel->getByUser($this->_uid);
-
-		if (hasData($result))
-		{
-			$this->outputJson(getData($result), REST_Controller::HTTP_OK);
-		}
-		else
-		{
-			$this->terminateWithJsonError('fehler entdeckt');
-		}
-	}
-
-	/**
-	 * Retrieve the UID of the logged user and checks if it is valid
-	 */
-	private function _setAuthUID()
-	{
-		$this->_uid = getAuthUID();
-
-		if (!$this->_uid) show_error('User authentification failed');
-	}
-}
@@ -1,216 +0,0 @@
-<?php
-defined('BASEPATH') || exit('No direct script access allowed');
-/**
- * Description of Config
- *
- * @author bambi
- */
-class Config extends Auth_Controller
-{
-	public function __construct()
-	{
-		parent::__construct(
-			array(
-				'index'							=> 'dashboard/benutzer:r',
-				'dummy'							=> 'dashboard/benutzer:r',
-				'genWidgetId'					=> 'dashboard/benutzer:rw',
-				'addWidgetsToPreset'			=> 'dashboard/admin:rw',
-				'removeWidgetFromPreset'		=> 'dashboard/admin:rw',
-				'addWidgetsToUserOverride'		=> 'dashboard/benutzer:rw',
-				'removeWidgetFromUserOverride'	=> 'dashboard/benutzer:rw',
-				'funktionen'					=> 'dashboard/admin:r',
-				'preset'						=> 'dashboard/admin:r',
-				'presetBatch'					=> 'dashboard/admin:r'
-			)
-		);
-		
-		$this->load->library('dashboard/DashboardLib', null, 'DashboardLib');
-		$this->load->library('AuthLib', null, 'AuthLib');
-		$this->load->model('ressource/Funktion_model', 'FunktionModel');
-	}
-	
-	public function index()
-	{
-		$dashboard_kurzbz = $this->input->get('db');
-		$uid = $this->AuthLib->getAuthObj()->username;
-
-		$dashboard = $this->DashboardLib->getDashboardByKurzbz($dashboard_kurzbz);
-		if(!$dashboard) {
-			http_response_code(404);
-			$this->terminateWithJsonError(array(
-				'error' => 'Dashboard ' . $dashboard_kurzbz . ' not found.'
-			));
-		}
-		
-		$mergedconfig = $this->DashboardLib->getMergedConfig($dashboard->dashboard_id, $uid);
-		$this->outputJsonSuccess($mergedconfig);
-	}
-	
-	public function genWidgetId()
-	{
-		$dashboard_kurzbz = $this->input->get('db');
-		$widgetid = $this->DashboardLib->generateWidgetId($dashboard_kurzbz);
-		$this->outputJsonSuccess(array(
-			'widgetid' => $widgetid
-		));
-	}
-	
-	public function addWidgetsToPreset()
-	{
-		$input = json_decode($this->input->raw_input_stream);
-		$dashboard_kurzbz = $input->db;
-		$funktion_kurzbz = $input->funktion_kurzbz;
-		
-		$preset = $this->DashboardLib->getPresetOrCreateEmptyPreset($dashboard_kurzbz, $funktion_kurzbz);
-		
-		$preset_decoded = json_decode($preset->preset, true);
-		
-		$this->DashboardLib->addWidgetsToWidgets($preset_decoded, $dashboard_kurzbz, $funktion_kurzbz, $input->widgets);
-		
-		$preset->preset = json_encode($preset_decoded);
-				
-		$result = $this->DashboardLib->insertOrUpdatePreset($preset);
-		if (isError($result)) {
-			http_response_code(500);
-			$this->terminateWithJsonError('preset could not be saved');
-		}
-		
-		$this->outputJsonSuccess(array('msg' => 'preset successfully stored.', 'data' => $preset_decoded));
-	}
-	
-	public function removeWidgetFromPreset()
-	{
-		$input = json_decode($this->input->raw_input_stream);
-		$dashboard_kurzbz = $input->db;
-		$funktion_kurzbz = $input->funktion_kurzbz;
-		$widgetid = $input->widgetid;
-				
-		$preset = $this->DashboardLib->getPreset($dashboard_kurzbz, $funktion_kurzbz);
-		if ($preset === null) {
-			http_response_code(404);
-			$this->terminateWithJsonError('preset for dashboard ' . $dashboard_kurzbz . ' and funktion ' . $funktion_kurzbz . ' not found.');
-		}
-		
-		$preset_decoded = json_decode($preset->preset, true);
-		if (!$this->DashboardLib->removeWidgetFromWidgets($preset_decoded, $funktion_kurzbz, $widgetid))
-		{
-			http_response_code(404);
-			$this->terminateWithJsonError('widgetid ' . $widgetid . ' not found');
-		}
-		
-		$preset->preset = json_encode($preset_decoded);
-		$result = $this->DashboardLib->insertOrUpdatePreset($preset);
-		if (isError($result))
-		{
-			http_response_code(500);
-			$this->terminateWithJsonError('failed to remove widget');
-		}
-		$this->outputJsonSuccess(array('msg' => 'preset successfully updated.'));
-	}
-
-	public function addWidgetsToUserOverride()
-	{
-		$input = json_decode($this->input->raw_input_stream);
-		$dashboard_kurzbz = $input->db;
-		$funktion_kurzbz = $input->funktion_kurzbz;
-		$uid = $this->AuthLib->getAuthObj()->username;
-		
-		$override = $this->DashboardLib->getOverrideOrCreateEmptyOverride($dashboard_kurzbz, $uid);
-		
-		$override_decoded = json_decode($override->override, true);
-
-		$this->DashboardLib->addWidgetsToWidgets($override_decoded, $dashboard_kurzbz, $funktion_kurzbz, $input->widgets);
-		
-		$override->override = json_encode($override_decoded);
-				
-		$result = $this->DashboardLib->insertOrUpdateOverride($override);
-		if (isError($result)) {
-			http_response_code(500);
-			$this->terminateWithJsonError('override could not be saved');
-		}
-		
-		$this->outputJsonSuccess(array('msg' => 'override successfully stored.', 'data' => $override_decoded));
-	}
-	
-	public function removeWidgetFromUserOverride()
-	{
-		$input = json_decode($this->input->raw_input_stream);
-		$dashboard_kurzbz = $input->db;
-		$funktion_kurzbz = $input->funktion_kurzbz;
-		$uid = $this->AuthLib->getAuthObj()->username;
-		$widgetid = $input->widgetid;
-		
-		$override = $this->DashboardLib->getOverride($dashboard_kurzbz, $uid);
-		if (empty($override)) {
-			http_response_code(404);
-			$this->terminateWithJsonError('userconfig for dashboard ' . $dashboard_kurzbz . ' not found.');
-		}
-		
-		$override_decoded = json_decode($override->override, true);
-		
-		if (!$this->DashboardLib->removeWidgetFromWidgets($override_decoded, $funktion_kurzbz, $widgetid))
-		{
-			http_response_code(404);
-			$this->terminateWithJsonError('widgetid ' . $widgetid . ' not found');
-		}
-		
-		$override->override = json_encode($override_decoded);
-		$result = $this->DashboardLib->insertOrUpdateOverride($override, $uid);
-		if (isError($result))
-		{
-			http_response_code(500);
-			$this->terminateWithJsonError('failed to remove widget');
-		}
-		$this->outputJsonSuccess(array('msg' => 'override successfully updated.'));
-	}
-	
-	public function funktionen()
-	{
-		$funktionen = $this->FunktionModel->load();
-
-		if (isError($funktionen)) {
-			http_response_code(404);
-			$this->terminateWithJsonError([
-				'error' => getError($funktionen)
-			]);
-		}
-		
-		return $this->outputJsonSuccess(getData($funktionen) ?: []);
-	}
-	
-	public function preset()
-	{
-		$db = $this->input->get('db');
-		$funktion = $this->input->get('funktion');
-
-		$conf = $this->DashboardLib->getPreset($db, $funktion);
-
-		if (!$conf)
-			return $this->outputJsonSuccess(['widgets' => [$funktion => []]]);
-
-		return $this->outputJsonSuccess(json_decode($conf->preset, true));
-	}
-	
-	public function presetBatch()
-	{
-		$db = $this->input->get('db');
-		$funktionen = $this->input->get('funktionen');
-		$result = [];
-
-		foreach ($funktionen as $funktion) {
-			$conf = $this->DashboardLib->getPreset($db, $funktion);
-			if ($conf)
-			{
-				$preset = json_decode($conf->preset, true);
-				if (!isset($preset[$funktion]) || !isset($preset[$funktion]['widgets']))
-					$result[$funktion] = [];
-				else
-					$result[$funktion] = $preset[$funktion]['widgets'];
-			}
-			else
-				$result[$funktion] = [];
-		}
-
-		return $this->outputJsonSuccess($result);
-	}
-}
@@ -1,86 +0,0 @@
-<?php
-defined('BASEPATH') || exit('No direct script access allowed');
-/**
- * Description of Widget
- *
- * @author chris
- */
-class Dashboard extends Auth_Controller
-{
-	public function __construct()
-	{
-		parent::__construct(
-			array(
-				'index'							=> 'dashboard/admin:r',
-				'create'						=> 'dashboard/admin:rw',
-				'update'						=> 'dashboard/admin:rw',
-				'delete'						=> 'dashboard/admin:rw'
-			)
-		);
-		
-		$this->load->library('dashboard/DashboardLib', null, 'DashboardLib');
-		$this->load->model('dashboard/Dashboard_model', 'DashboardModel');
-	}
-	
-	public function index()
-	{
-		$result = $this->DashboardModel->load();
-
-		if (isError($result)) {
-			http_response_code(404);
-			$this->terminateWithJsonError([
-				'error' => getError($result)
-			]);
-		}
-		
-		return $this->outputJsonSuccess(getData($result) ?: []);
-	}
-	
-	public function create()
-	{
-		$input = $this->getPostJSON();
-
-		$result = $this->DashboardModel->insert($input);
-
-		if (isError($result)) {
-			http_response_code(404);
-			$this->terminateWithJsonError([
-				'error' => getError($result)
-			]);
-		}
-		
-		return $this->outputJsonSuccess(getData($result) ?: []);
-	}
-	
-	public function update()
-	{
-		$input = $this->getPostJSON();
-
-		$result = $this->DashboardModel->update($input->dashboard_id, $input);
-
-		if (isError($result)) {
-			http_response_code(404);
-			$this->terminateWithJsonError([
-				'error' => getError($result)
-			]);
-		}
-		
-		return $this->outputJsonSuccess(getData($result) ?: []);
-	}
-	
-	public function delete()
-	{
-		$input = $this->getPostJSON();
-
-		$result = $this->DashboardModel->delete($input->dashboard_id);
-
-		if (isError($result)) {
-			http_response_code(404);
-			$this->terminateWithJsonError([
-				'error' => getError($result)
-			]);
-		}
-		
-		return $this->outputJsonSuccess(getData($result) ?: []);
-	}
-}
@@ -1,58 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-/**
- */
-class DashboardDemo extends Auth_Controller
-{
-    private $_uid;  // uid of the logged user
-
-    /**
-     * Constructor
-     */
-    public function __construct()
-    {
-        // Set required permissions
-        parent::__construct(
-            array(
-                'index' => 'dashboard/benutzer:r',
-                'admin' => 'dashboard/admin:rw'
-            )
-        );
-
-        $this->load->library('AuthLib');
-        $this->load->library('WidgetLib');
-
-        $this->_setAuthUID(); // sets property uid
-
-        $this->setControllerId(); // sets the controller id
-    }
-
-    // -----------------------------------------------------------------------------------------------------------------
-    // Public methods
-	public function index()
-	{
-		$this->load->view('dashboard/dashboard_demo.php', []);
-	}
-
-    // -----------------------------------------------------------------------------------------------------------------
-    // Public methods
-    public function admin()
-    {
-        $this->load->view('dashboard/dashboard_demo_admin.php', []);
-    }
-
-    // -----------------------------------------------------------------------------------------------------------------
-    // Private methods
-
-    /**
-     * Retrieve the UID of the logged user and checks if it is valid
-     */
-    private function _setAuthUID()
-    {
-        $this->_uid = getAuthUID();
-
-        if (!$this->_uid) show_error('User authentification failed');
-    }
-}
@@ -1,134 +0,0 @@
-<?php
-defined('BASEPATH') || exit('No direct script access allowed');
-/**
- * Description of Widget
- *
- * @author chris
- */
-class Widget extends Auth_Controller
-{
-	public function __construct()
-	{
-		parent::__construct(
-			array(
-				'index'							=> ['dashboard/benutzer:r', 'dashboard/admin:r'],
-				'getAll'						=> 'dashboard/admin:r',
-				'getWidgetsForDashboard'		=> ['dashboard/benutzer:rw', 'dashboard/admin:r'],
-				'setAllowed'					=> 'dashboard/admin:rw'
-			)
-		);
-		
-		$this->load->library('dashboard/DashboardLib', null, 'DashboardLib');
-		$this->load->model('dashboard/Widget_model', 'WidgetModel');
-		$this->load->model('dashboard/Dashboard_Widget_model', 'DashboardWidgetModel');
-	}
-	
-	public function index()
-	{
-		$widget_id = $this->input->get('id');
-
-		$widget = $this->WidgetModel->load($widget_id);
-
-		if (isError($widget) || !getData($widget))
-			return $this->outputJsonSuccess([
-				"widget_id" => 0,
-				"widget_kurzbz" => "notfound",
-				"arguments" => [
-					"className" => 'alert-danger',
-					"title" => 'Widget Not Found',
-					"msg" => 'The widget with the id ' . $widget_id . ' could not be found'
-				],
-				"setup" => [
-					"name" => 'Widget Not Found',
-					"file" => absoluteJsImportUrl('public/js/components/DashboardWidget/Default.js'),
-					"width" => 1,
-					"height" => 1
-				]
-			]);
-
-		$widget = current(getData($widget));
-		$widget->arguments = json_decode($widget->arguments);
-		$tmpsetup = json_decode($widget->setup);
-		$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
-		$widget->setup = $tmpsetup;
-
-		return $this->outputJsonSuccess($widget);
-	}
-	
-	public function getAll()
-	{
-		$dashboard_id = $this->input->get('dashboard_id');
-		$result = $this->WidgetModel->getWithAllowedForDashboard($dashboard_id);
-
-		if (isError($result))
-			return $this->outputJsonError(getError($result));
-
-		$tmpwidgets = getData($result) ?: [];
-		$widgets = array_map(function($widget) {
-			$widget->arguments = json_decode($widget->arguments);
-			$tmpsetup = json_decode($widget->setup);
-			$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
-			$widget->setup = $tmpsetup;
-			return $widget;
-		}, $tmpwidgets);
-
-		$this->outputJsonSuccess($widgets);
-	}
-	
-	public function getWidgetsForDashboard()
-	{
-		$db = $this->input->get('db');
-		$result = $this->WidgetModel->getForDashboard($db);
-
-		if (isError($result)) {
-			http_response_code(404);
-			$this->terminateWithJsonError([
-				'error' => getError($result)
-			]);
-		}
-
-		$tmpwidgets = getData($result) ?: [];
-		$widgets = array_map(function($widget) {
-			$widget->arguments = json_decode($widget->arguments);
-			$tmpsetup = json_decode($widget->setup);
-			$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
-			$widget->setup = $tmpsetup;
-			return $widget;
-		}, $tmpwidgets);
-
-		$this->outputJsonSuccess($widgets);
-	}
-	
-	public function setAllowed()
-	{
-		$input = $this->getPostJSON();
-
-		$dashboard_id = $input->dashboard_id;
-		$widget_id = $input->widget_id;
-		$action = $input->action;
-
-		if ($action == 'add') {
-			$result = $this->DashboardWidgetModel->insert([
-				'dashboard_id' => $dashboard_id,
-				'widget_id' => $widget_id
-			]);
-		} elseif ($action == 'delete') {
-			$result = $this->DashboardWidgetModel->delete([
-				'dashboard_id' => $dashboard_id,
-				'widget_id' => $widget_id
-			]);
-		} else {
-			http_response_code(404); // TODO(chris): 400?
-			$this->terminateWithJsonError([
-				'error' => 'action value invalid'
-			]);
-		}
-		if (isError($result)) {
-			http_response_code(404);
-			$this->terminateWithJsonError([
-				'error' => getError($result)
-			]);
-		}
-		return $this->outputJsonSuccess(getData($result));
-	}
-}
@@ -495,6 +495,10 @@ class AbgabetoolJob extends JOB_Controller
 		// get all new or changed termine in interval
 		$result = $this->_ci->PaabgabeModel->findAbgabenNewOrUpdatedSince($interval, $relevantTypes);
 		$retval = getData($result);
+		if(!$retval) {
+			$this->_ci->logInfo("Keine Emails an Betreuer über neue oder veränderte Termine versandt");
+			return;
+		}
 		
 		// group changed/new abgaben for projektarbeiten
 		$projektarbeiten = [];
@@ -557,6 +561,8 @@ class AbgabetoolJob extends JOB_Controller
 			$anredeFillString = $data->anrede == "Herr" ? "r" : "";
 			$fullFormattedNameString = $data->first;

+			$relevantCounter = 0; // workaround to check if a betreuer needs to have any notification about relevant
+			// abgaben at all to avoid sending empty emails since we filter on certain conditions
 			forEach($tupelArr as $tupel) {
 				$projektarbeit_id = $tupel[0];
 				$betreuerRow = $tupel[1];
@@ -575,6 +581,8 @@ class AbgabetoolJob extends JOB_Controller
 					continue;
 				}

+				$relevantCounter++;
+
 				// format the Student Name
 				$s = $relevantAbgaben[0];
 				$nameParts = [];
@@ -633,6 +641,11 @@ class AbgabetoolJob extends JOB_Controller
 			// done with building the change list, now send it
 			$betreuerRow = $tupelArr[0][1];
 			
+			if($relevantCounter == 0) {
+				$this->_ci->logInfo('No Relevant Abgaben to notify Betreuer PersonID: "'.$betreuerRow->person_id.'".');
+				continue;
+			}
+			
 			$path = $this->_ci->config->item('URL_MITARBEITER');
 			$url = CIS_ROOT.$path;

@@ -5,58 +5,51 @@
 */
 class IssueResolver extends IssueResolver_Controller
 {
-	public function __construct()
-	{
-		parent::__construct();
-
-		// set fehler codes which can be resolved by the job, with own resolver defined
-		// structure: fehlercode => class (library) name for resolving in "resolvers" folder
-		$this->_codeLibMappings = array(
-			'CORE_ZGV_0001' => 'CORE_ZGV_0001',
-			'CORE_ZGV_0002' => 'CORE_ZGV_0002',
-			'CORE_ZGV_0003' => 'CORE_ZGV_0003',
-			'CORE_ZGV_0004' => 'CORE_ZGV_0004',
-			'CORE_ZGV_0005' => 'CORE_ZGV_0005',
-			'CORE_INOUT_0001' => 'CORE_INOUT_0001',
-			'CORE_INOUT_0002' => 'CORE_INOUT_0002',
-			'CORE_INOUT_0003' => 'CORE_INOUT_0003',
-			'CORE_INOUT_0004' => 'CORE_INOUT_0004',
-			'CORE_INOUT_0005' => 'CORE_INOUT_0005',
-			'CORE_INOUT_0006' => 'CORE_INOUT_0006',
-			'CORE_INOUT_0007' => 'CORE_INOUT_0007',
-			'CORE_INOUT_0008' => 'CORE_INOUT_0008',
-			'CORE_INOUT_0009' => 'CORE_INOUT_0009',
-			'CORE_STG_0001' => 'CORE_STG_0001',
-			'CORE_STG_0002' => 'CORE_STG_0002',
-			'CORE_STG_0003' => 'CORE_STG_0003',
-			'CORE_STG_0004' => 'CORE_STG_0004',
-			'CORE_STUDENTSTATUS_0002' => 'CORE_STUDENTSTATUS_0002',
-			'CORE_STUDENTSTATUS_0003' => 'CORE_STUDENTSTATUS_0003',
-			'CORE_STUDENTSTATUS_0004' => 'CORE_STUDENTSTATUS_0004',
-			'CORE_STUDENTSTATUS_0005' => 'CORE_STUDENTSTATUS_0005',
-			'CORE_STUDENTSTATUS_0006' => 'CORE_STUDENTSTATUS_0006',
-			'CORE_STUDENTSTATUS_0007' => 'CORE_STUDENTSTATUS_0007',
-			'CORE_STUDENTSTATUS_0008' => 'CORE_STUDENTSTATUS_0008',
-			'CORE_STUDENTSTATUS_0009' => 'CORE_STUDENTSTATUS_0009',
-			'CORE_STUDENTSTATUS_0010' => 'CORE_STUDENTSTATUS_0010',
-			'CORE_STUDENTSTATUS_0011' => 'CORE_STUDENTSTATUS_0011',
-			'CORE_STUDENTSTATUS_0012' => 'CORE_STUDENTSTATUS_0012',
-			'CORE_STUDENTSTATUS_0013' => 'CORE_STUDENTSTATUS_0013',
-			'CORE_STUDENTSTATUS_0014' => 'CORE_STUDENTSTATUS_0014',
-			'CORE_STUDENTSTATUS_0015' => 'CORE_STUDENTSTATUS_0015',
-			'CORE_STUDENTSTATUS_0016' => 'CORE_STUDENTSTATUS_0016',
-			'CORE_PERSON_0001' => 'CORE_PERSON_0001',
-			'CORE_PERSON_0002' => 'CORE_PERSON_0002',
-			'CORE_PERSON_0003' => 'CORE_PERSON_0003',
-			'CORE_PERSON_0004' => 'CORE_PERSON_0004',
-			'CORE_PERSON_0005' => 'CORE_PERSON_0005',
-			'CORE_PERSON_0006' => 'CORE_PERSON_0006'
-		);
-
-		// fehler which are resolved by the job the same way as they are produced
-		// structure: fehlercode => class (library) name for resolving in "plausichecks" folder
-		$this->_codeProducerLibMappings = array(
-			'CORE_STUDENTSTATUS_0001' => 'AbbrecherAktiv',
-		);
-	}
+	protected $_fehlercodes = array(
+		'CORE_ZGV_0001',
+		'CORE_ZGV_0002',
+		'CORE_ZGV_0003',
+		'CORE_ZGV_0004',
+		'CORE_ZGV_0005',
+		'CORE_INOUT_0001',
+		'CORE_INOUT_0002',
+		'CORE_INOUT_0003',
+		'CORE_INOUT_0004',
+		'CORE_INOUT_0005',
+		'CORE_INOUT_0006',
+		'CORE_INOUT_0007',
+		'CORE_INOUT_0008',
+		'CORE_INOUT_0009',
+		'CORE_STG_0001',
+		'CORE_STG_0002',
+		'CORE_STG_0003',
+		'CORE_STG_0004',
+		'CORE_STUDENTSTATUS_0001',
+		'CORE_STUDENTSTATUS_0002',
+		'CORE_STUDENTSTATUS_0003',
+		'CORE_STUDENTSTATUS_0004',
+		'CORE_STUDENTSTATUS_0005',
+		'CORE_STUDENTSTATUS_0006',
+		'CORE_STUDENTSTATUS_0007',
+		'CORE_STUDENTSTATUS_0008',
+		'CORE_STUDENTSTATUS_0009',
+		'CORE_STUDENTSTATUS_0010',
+		'CORE_STUDENTSTATUS_0011',
+		'CORE_STUDENTSTATUS_0012',
+		'CORE_STUDENTSTATUS_0013',
+		'CORE_STUDENTSTATUS_0014',
+		'CORE_STUDENTSTATUS_0015',
+		'CORE_STUDENTSTATUS_0016',
+		'CORE_STUDENTSTATUS_0018',
+		'CORE_STUDENTSTATUS_0019',
+		'CORE_STUDENTSTATUS_0020',
+		'CORE_STUDENTSTATUS_0021',
+		'CORE_STUDENTSTATUS_0022',
+		'CORE_PERSON_0001',
+		'CORE_PERSON_0002',
+		'CORE_PERSON_0003',
+		'CORE_PERSON_0004',
+		'CORE_PERSON_0005',
+		'CORE_PERSON_0006'
+	);
 }
@@ -6,7 +6,7 @@
 class PlausiIssueProducer extends PlausiIssueProducer_Controller
 {
 	private $_currentStudiensemester;
-	protected $_app = 'core';
+	protected $_apps = 'core';

 	public function __construct()
 	{
@@ -18,12 +18,12 @@ class PlausiIssueProducer extends PlausiIssueProducer_Controller
 		$this->load->model('organisation/studiensemester_model', 'StudiensemesterModel');

 		// get current Studiensemester
-		$studiensemesterRes = $this->StudiensemesterModel->getAkt();
+		$studiensemesterRes = $this->StudiensemesterModel->getAktOrNextSemester(62);
 		if (hasData($studiensemesterRes)) $this->_currentStudiensemester = getData($studiensemesterRes)[0]->studiensemester_kurzbz;

 		// set fehler which can be produced by the job
 		// structure: fehler_kurzbz => class (library) name for resolving
-		$this->_fehlerLibMappings = $this->plausicheckdefinitionlib->getFehlerLibMappings();
+		$this->_fehlerKurzbz = $this->plausicheckdefinitionlib->getFehlerKurzbz();
 	}

 	/**
@@ -0,0 +1,57 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined("BASEPATH")) exit("No direct script access allowed");
+
+class CLI_Manager extends CLI_Controller
+{
+	/**
+	 *
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		// Load libraries
+		$this->load->library('FehlerUpdateLib');
+	}
+
+		/**
+	 *
+	 */
+	public function installAll()
+	{
+		$this->fehlerupdatelib->installAll();
+	}
+
+	/**
+	 *
+	 */
+	public function installFromCore()
+	{
+		$this->fehlerupdatelib->installFromCore();
+	}
+
+	/**
+	 *
+	 */
+	public function installFrom($extensionName)
+	{
+		$this->fehlerupdatelib->installFrom(urldecode($extensionName));
+	}
+}
@@ -0,0 +1,46 @@
+<?php
+
+if (!defined("BASEPATH")) exit("No direct script access allowed");
+
+class Manager extends Auth_Controller
+{
+	/**
+	 *
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+			array(
+				'installAll' => 'admin:rw',
+				'installFromCore' => 'admin:rw'
+			)
+		);
+
+		// Load libraries
+		$this->load->library('FehlerUpdateLib');
+	}
+
+	/**
+	 *
+	 */
+	public function installAll()
+	{
+		$this->fehlerupdatelib->installAll();
+	}
+
+	/**
+	 *
+	 */
+	public function installFromCore()
+	{
+		$this->fehlerupdatelib->installFromCore();
+	}
+
+	/**
+	 *
+	 */
+	public function installFrom($fehlerConfigDirectory)
+	{
+		$this->fehlerupdatelib->installFrom($fehlerConfigDirectory);
+	}
+}
@@ -88,9 +88,11 @@ class IssuesKonfiguration extends Auth_Controller

 		// get all Fehler, optionally filtered by app
 		$params = array('fehlercode_extern' => null);
+		$this->FehlerModel->addDistinct();
 		$this->FehlerModel->addSelect('fehlercode, fehler_kurzbz, fehlertyp_kurzbz, fehlertext');
+		$this->FehlerModel->addJoin('system.tbl_fehler_app', 'fehlercode');
 		$this->FehlerModel->addOrder('fehlercode');
-		if (!isEmptyString($app)) $params['app'] = $app;
+		if (!isEmptyString($app)) $params['tbl_fehler_app.app'] = $app;
 		$fehlerRes = $this->FehlerModel->loadWhere($params);

 		if (isError($fehlerRes)) $this->terminateWithJsonError($this->p->t('fehlermonitoring', 'fehlerFehlerLaden'));
@@ -69,10 +69,7 @@ class IssuesZustaendigkeiten extends Auth_Controller
 	{
 		$app = $this->input->get('app');

-		$this->FehlerModel->addSelect('fehlercode, fehler_kurzbz, fehlertext, fehlertyp_kurzbz, app');
-		$this->FehlerModel->addOrder('fehlercode');
-
-		$fehlerRes = isset($app) ? $this->FehlerModel->loadWhere(array('app' => $app)) : $this->FehlerModel->load();
+		$fehlerRes = $this->FehlerModel->getByApps($app);

 		$this->outputJson($fehlerRes);
 	}
@@ -5,6 +5,7 @@ if (! defined('BASEPATH')) exit('No direct script access allowed');
 class Plausichecks extends Auth_Controller
 {
 	const GENERIC_ISSUE_OCCURED_TEXT = 'Issue aufgetreten';
+	const APPS = ['core', 'dvuh', 'bis'];

 	public function __construct()
 	{
@@ -16,8 +17,7 @@ class Plausichecks extends Auth_Controller
 		);

 		// Load libraries
-		$this->load->library('issues/PlausicheckProducerLib', array('app' => 'core'));
-		$this->load->library('issues/PlausicheckDefinitionLib');
+		$this->load->library('issues/PlausicheckProducerLib', array('apps' => self::APPS));
 		$this->load->library('WidgetLib');

 		// Load models
@@ -46,37 +46,31 @@ class Plausichecks extends Auth_Controller

 		// issues array for passing issue texts
 		$allIssues = array();
-		// all fehler kurzbz which are going to be checked
-		$fehlerKurzbz = !isEmptyString($fehler_kurzbz) ? array($fehler_kurzbz) : $this->plausicheckdefinitionlib->getFehlerKurzbz();
-		$fehlerLibMappings = $this->plausicheckdefinitionlib->getFehlerLibMappings();
+
+		$fehler_kurzbz_arr = isEmptyString($fehler_kurzbz) ? array_keys($this->plausicheckproducerlib->getFehlerMappings()) : [$fehler_kurzbz];
+
+		$this->FehlerModel->addOrder('fehler_kurzbz, fehlercode');
+		$this->FehlerModel->db->where_in('fehler_kurzbz', $fehler_kurzbz_arr);
+		$fehlerRes = $this->FehlerModel->load();
+
+		if (isError($fehlerRes)) $this->terminateWithJsonError(getError($fehlerRes));
+		if (!hasData($fehlerRes)) return $this->outputJsonSuccess([]);
+
+		// all fehler which are going to be checked
+		$fehlerArr = getData($fehlerRes);
+
 		// set Studiengang to null if not passed
 		if (isEmptyString($studiengang_kz)) $studiengang_kz = null;

 		// get the data returned by Plausicheck
-		foreach ($fehlerKurzbz as $fehler_kurzbz)
+		foreach ($fehlerArr as $fehler)
 		{
-			// get Text and fehlercode of the Fehler
-			$this->FehlerModel->addSelect('fehlercode, fehlertext, fehlertyp_kurzbz');
-			$fehlerRes = $this->FehlerModel->loadWhere(array('fehler_kurzbz' => $fehler_kurzbz));
-
-			if (isError($fehlerRes)) $this->terminateWithJsonError(getError($fehlerRes));
-
-			// do not check error if no data
-			if (!hasData($fehlerRes)) continue;
-
-			// get the error data
-			$fehler = getData($fehlerRes)[0];
-
 			// initialize issue array
-			$allIssues[$fehler_kurzbz] = array('fehlercode' => $fehler->fehlercode, 'data' => array());
-
-			// get library name for producing issue
-			$libName = $fehlerLibMappings[$fehler_kurzbz];
+			$allIssues[$fehler->fehler_kurzbz] = array('fehlercode' => $fehler->fehlercode, 'data' => array());

 			// execute the check
 			$plausicheckRes = $this->plausicheckproducerlib->producePlausicheckIssue(
-				$libName,
-				$fehler_kurzbz,
+				$fehler->fehler_kurzbz,
 				array(
 					'studiensemester_kurzbz' => $studiensemester_kurzbz,
 					'studiengang_kz' => $studiengang_kz
@@ -107,7 +101,7 @@ class Plausichecks extends Auth_Controller
 						{
 							// replace placeholder with params, if present
 							if (count($fehlertext_params) != substr_count($fehlerText, '%s'))
-								$this->terminateWithJsonError('Wrong number of parameters for Fehlertext, fehler_kurzbz ' . $fehler_kurzbz);
+								$this->terminateWithJsonError('Wrong number of parameters for Fehlertext, fehler_kurzbz ' . $fehler->fehler_kurzbz);

 							$fehlerText = vsprintf($fehlerText, $fehlertext_params);
 						}
@@ -118,7 +112,7 @@ class Plausichecks extends Auth_Controller
 						$issueObj = new StdClass();
 						$issueObj->fehlertext = $fehlerText;
 						$issueObj->type = $fehlerTyp;
-						$allIssues[$fehler_kurzbz]['data'][] = $issueObj;
+						$allIssues[$fehler->fehler_kurzbz]['data'][] = $issueObj;
 					}
 					else // if no issue text found, use generic text
 					{
@@ -157,7 +151,7 @@ class Plausichecks extends Auth_Controller

 		if (isError($studiengaengeRes)) show_error(getError($studiengaengeRes));

-		$fehlerKurzbz = $this->plausicheckdefinitionlib->getFehlerKurzbz();
+		$fehlerKurzbz = array_keys($this->plausicheckproducerlib->getFehlerMappings());

 		$db = new DB_Model();

@@ -168,7 +162,9 @@ class Plausichecks extends Auth_Controller
 			FROM
 				system.tbl_fehler
 			WHERE
-				fehler_kurzbz IN ?',
+				fehler_kurzbz IN ?
+			ORDER BY
+				fehler_kurzbz, fehlercode',
 			array($fehlerKurzbz)
 		);

@@ -184,6 +180,8 @@ class Plausichecks extends Auth_Controller
 			}
 		}

+		ksort($fehlerKurzbzCodeMappings);
+
 		return array(
 			'semester' => hasData($studiensemesterRes) ? getData($studiensemesterRes) : array(),
 			'currsemester' => hasData($currSemRes) ? getData($currSemRes) : array(),
@@ -5,11 +5,8 @@
 */
 abstract class IssueResolver_Controller extends JOB_Controller
 {
-	// mappings in form fehlercode -> resolverlibrary name, fehler which have explicit resolver class defined
-	protected $_codeLibMappings = [];
-
-	// mappings in form fehlercode -> producer library name, fehler which are resolved the same way they are produced
-	protected $_codeProducerLibMappings = [];
+	// codes of fehler to be resolved
+	protected $_fehlercodes = [];

 	public function __construct()
 	{
@@ -24,25 +21,18 @@ abstract class IssueResolver_Controller extends JOB_Controller
 	 */
 	public function run()
 	{
+		// initialize librariy with provided fehlercodes
 		$this->load->library(
 			'issues/PlausicheckResolverLib',
 			[
-				'extensionName' => $this->_extensionName ?? null,
-				'codeLibMappings' => $this->_codeLibMappings,
-				'codeProducerLibMappings' => $this->_codeProducerLibMappings
+				'fehlercodes' => $this->_fehlercodes
 			]
 		);

 		$this->logInfo("Issue resolve job started");

-		// load open issues with given errorcodes
-		$openIssuesRes = $this->IssueModel->getOpenIssues(
-			array_merge(array_keys($this->_codeLibMappings), array_keys($this->_codeProducerLibMappings))
-		);
-
-		$openIssues = hasData($openIssuesRes) ? getData($openIssuesRes) : [];
-
-		$result = $this->plausicheckresolverlib->resolvePlausicheckIssues($openIssues);
+		// resolve the issues
+		$result = $this->plausicheckresolverlib->resolvePlausicheckIssues();

 		// log if error, or log info if inserted new issue
 		foreach ($result->errors as $error) $this->logError($error);
@@ -417,6 +417,7 @@ abstract class Notiz_Controller extends FHCAPI_Controller
 		$notiz_id = $this->input->post('notiz_id');

 		$this->NotizModel->addSelect('campus.tbl_dms_version.*');
+		$this->NotizModel->addSelect($this->NotizModel->escape(base_url('content/notizdokdownload.php?id=')) . ' || public.tbl_notiz_dokument.dms_id AS preview');

 		$this->NotizModel->addJoin('public.tbl_notiz_dokument', 'ON (public.tbl_notiz_dokument.notiz_id = public.tbl_notiz.notiz_id)');
 		$this->NotizModel->addJoin('campus.tbl_dms_version', 'ON (public.tbl_notiz_dokument.dms_id = campus.tbl_dms_version.dms_id)');
@@ -5,14 +5,23 @@
 */
 abstract class PlausiIssueProducer_Controller extends JOB_Controller
 {
-	protected $_fehlerLibMappings = [];
-	protected $_app;
+	protected $_fehlerKurzbz = [];
+	protected $_apps = [];
+
+	/**
+	 * Runs issue production job.
+	 */
+	public function run()
+	{
+		// producing issues
+		$this->producePlausicheckIssues(array());
+	}

 	protected function producePlausicheckIssues($params)
 	{
 		$this->load->library(
 			'issues/PlausicheckProducerLib',
-			['extensionName' => $this->_extensionName ?? null, 'app' => $this->_app, 'fehlerLibMappings' => $this->_fehlerLibMappings]
+			['apps' => $this->_apps, 'fehlerKurzbz' => $this->_fehlerKurzbz]
 		);

 		$this->logInfo("Plausicheck issue producer job started");
@@ -128,7 +128,7 @@ class AntragLib
 			return $this->_ci->StudierendenantragstatusModel->resumeAntraegeForAbmeldungStgl($antrag_id);
 		}
 		// NOTE(chris): get last status that is not pause
-		$this->_ci->StudierendenantragstatusModel->addOrder('insertamum');
+		$this->_ci->StudierendenantragstatusModel->addOrder('insertamum', 'DESC');
 		$this->_ci->StudierendenantragstatusModel->addLimit(1);
 		$result = $this->_ci->StudierendenantragstatusModel->loadWhere([
 			'studierendenantrag_id' => $antrag_id,
@@ -0,0 +1,382 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class FehlerUpdateLib
+{
+	// Who adds phrases into the database
+	const UPSERT_BY = 'FehlerUpdate';
+
+	const CONFIG_DIRECTORY = 'config';
+	const CONFIG_FEHLER_NAME = 'fehler';
+	const CONFIG_FEHLER_INDEX = 'fehler';
+
+	const TYPE_STRING = 'string';
+	const TYPE_ARRAY = 'array';
+
+	//~ // Array elements names
+	const FEHLERCODE = 'fehlercode';
+	const FEHLER_KURZBZ = 'fehler_kurzbz';
+	const FEHLERTEXT = 'fehlertext';
+	const FEHLERTYP_KURZBZ = 'fehlertyp_kurzbz';
+	const APP = 'app';
+	const FEHLERCODE_EXTERN = 'fehlercode_extern';
+
+	// structure of a fehler
+	// type default: string
+	const FEHLER_ATTRIBUTES = [
+		self::FEHLERCODE => ['required' => true],
+		self::FEHLER_KURZBZ  => ['required' => false],
+		self::FEHLERTEXT => ['required' => true, 'updateable' => false],
+		self::FEHLERTYP_KURZBZ => ['required' => false, 'updateable' => true],
+		self::APP => ['required' => true, 'types' => [self::TYPE_STRING, self::TYPE_ARRAY]],
+		self::FEHLERCODE_EXTERN => ['required' => false]
+	];
+
+	private $_ci; // Code igniter instance
+	private $_updateHistory = [];
+
+	/**
+	 * Loads parser library
+	 */
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+
+		// Loads EPrintfLib
+		$this->_ci->load->library('EPrintfLib');
+
+		// Loads the Models
+		$this->_ci->load->model('system/Fehler_model', 'FehlerModel');
+		$this->_ci->load->model('system/App_model', 'AppModel');
+
+		// Loads extensions lib
+		$this->_ci->load->library('ExtensionsLib');
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+
+	/**
+	 * Install all possible fehler, from core and extensions
+	 */
+	public function installAll()
+	{
+		$this->installFromCore();
+
+		// load fehler entries of extensions
+		$extensions = $this->_ci->extensionslib->getInstalledExtensions();
+
+		if (hasData($extensions))
+		{
+			$extensionArray = array();
+
+			$extensionsData = getData($extensions);
+
+			foreach ($extensionsData as $ext)
+			{
+				$this->installFrom($ext->name);
+			}
+		}
+	}
+
+	/**
+	 * Install fehler from the core
+	 */
+	public function installFromCore()
+	{
+		$this->_installFehler();
+	}
+
+	/**
+	 * Install fehler from the given path
+	 */
+	public function installFrom($extensionName)
+	{
+		if (!isset($extensionName))
+		{
+			$this->_ci->eprintflib->printError('Extension name missing!');
+			return;
+		}
+
+		$this->_installFehler(ExtensionsLib::EXTENSIONS_DIR_NAME.'/'.$extensionName.'/'.FehlerUpdateLib::CONFIG_FEHLER_NAME);
+
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+	/**
+	 * Install fehler from the given directory
+	 */
+	private function _installFehler($fehlerConfigDirectory = null)
+	{
+		// check that fehler config file exists
+		$configDir = isset($fehlerConfigDirectory) ? $fehlerConfigDirectory : self::CONFIG_FEHLER_NAME;
+
+		$configFilename = APPPATH.self::CONFIG_DIRECTORY.'/'.$configDir.'.php';
+
+		if (!file_exists($configFilename))
+		{
+			return;
+		}
+
+		// Load Fehler Entries
+		$this->_ci->load->config($configDir);
+		$configArray = $this->_ci->config->item(self::CONFIG_FEHLER_INDEX);
+
+		if (!isset($configArray) || !is_array($configArray)) // check if fehler config entries could be loaded
+		{
+			$this->_ci->eprintflib->printError(
+				'Fehler config array could not be loaded, directory '.$configDir.' index '.self::CONFIG_FEHLER_INDEX
+			);
+			return;
+		}
+
+		$this->_ci->eprintflib->printInfo('------------------------------------------------------------------------------------------');
+		$this->_ci->eprintflib->printInfo('Fehler installation started, directory '.$configDir);
+
+		foreach ($configArray as $idx => $configEntry)
+		{
+			// create fehler from config entry
+			$createFehlerResult = $this->_createFehlerFromEntry($configEntry);
+
+			// write error if creation failed
+			if (isError($createFehlerResult))
+			{
+				$this->_ci->eprintflib->printError(
+					getError($createFehlerResult).', directory '.$configDir.', index '.$idx
+				);
+			}
+			elseif (hasData($createFehlerResult))
+			{
+				// add fehler to db
+				$addFehlerResult = $this->_updateFehler(getData($createFehlerResult));
+
+				if (isError($addFehlerResult))
+				{
+					$this->_ci->eprintflib->printError(
+						getError($addFehlerResult).', directory'.$configDir.', index '.$idx
+					);
+				}
+			}
+		}
+
+		$this->_ci->eprintflib->printInfo('Fehler installation ended');
+		$this->_ci->eprintflib->printInfo('------------------------------------------------------------------------------------------');
+	}
+
+	/**
+	 * Add a new fehler to the database
+	 */
+	private function _updateFehler($fehler)
+	{
+		$fehlerReferences = $fehler['references'];
+		$fehler = $fehler['fehler'];
+
+		// Checks if the fehler already exists in the database
+		$this->_ci->FehlerModel->db->where(self::FEHLERCODE.' = ', $fehler[self::FEHLERCODE]);
+		if (isset($fehler[self::FEHLER_KURZBZ]) && !isEmptyString($fehler[self::FEHLER_KURZBZ]))
+			$this->_ci->FehlerModel->db->or_where(self::FEHLER_KURZBZ.' = ', $fehler[self::FEHLER_KURZBZ]);
+		$fehlerResult = $this->_ci->FehlerModel->load();
+
+		// If an error occurred then return the error itself
+		if (isError($fehlerResult)) return $fehlerResult;
+
+		$updateRes = null;
+
+		// if fehler has been found
+		if (hasData($fehlerResult))
+		{
+			$foundFehler = getData($fehlerResult)[0];
+
+			// check if fehlercode - fehler kurzbz combination is correct
+			if ($foundFehler->{self::FEHLERCODE} != $fehler[self::FEHLERCODE]
+				|| $foundFehler->{self::FEHLER_KURZBZ} != ($fehler[self::FEHLER_KURZBZ] ?? null)
+			) {
+				return error("Wrong fehlercode - fehler kurzbz combination: ".$fehler[self::FEHLERCODE].", ".$fehler[self::FEHLER_KURZBZ]);
+			}
+
+			$this->_ci->eprintflib->printMessage(
+				"Fehler ".$fehler[self::FEHLERCODE]
+					.(isset($fehler[self::FEHLER_KURZBZ]) ? " (".$fehler[self::FEHLER_KURZBZ].")" : "")
+					." already exists in database"
+			);
+
+			$updateArr = [];
+
+			// update fehler, if needed
+			foreach (self::FEHLER_ATTRIBUTES as $attributeName => $attributeInfo)
+			{
+				// set attributes to be updated
+				if (isset($attributeInfo['updateable']) && $attributeInfo['updateable'] && $foundFehler->{$attributeName} != $fehler[$attributeName])
+				{
+					$updateArr[$attributeName] = $fehler[$attributeName];
+
+					if (isset($this->_updateHistory[$foundFehler->{self::FEHLERCODE}][$attributeName])
+						&& $this->_updateHistory[$foundFehler->{self::FEHLERCODE}][$attributeName] != $fehler[$attributeName]
+					) {
+						return error("Conflicting update values for attribute ".$attributeName.", fehler ".$foundFehler->{self::FEHLERCODE});
+					}
+					$this->_updateHistory[$foundFehler->{self::FEHLERCODE}][$attributeName] = $fehler[$attributeName];
+				}
+			}
+
+			if (!isEmptyArray($updateArr))
+			{
+				$updateRes = $this->_ci->FehlerModel->update(
+					[self::FEHLERCODE => $foundFehler->{self::FEHLERCODE}],
+					array_merge($updateArr, ['updateamum' => 'NOW()', 'updatevon' => self::UPSERT_BY])
+				);
+				if (isError($updateRes)) return $updateRes;
+
+				$this->_ci->eprintflib->printMessage(
+					"Fehler ".$fehler[self::FEHLERCODE].(isset($fehler[self::FEHLER_KURZBZ]) ? " (".$fehler[self::FEHLER_KURZBZ].")" : "")." updated"
+				);
+			}
+		}
+		else
+		{
+			// no fehler has been found
+
+			// then add the fehler to the database
+			$updateRes = $this->_ci->FehlerModel->insert(
+				array_merge($fehler, ['insertamum' => 'NOW()', 'insertvon' => self::UPSERT_BY])
+			);
+
+			// If an error occurred then return the error itself
+			if (isError($updateRes)) return $updateRes;
+
+			// Prints info about the new added fehler
+			$this->_ci->eprintflib->printMessage(
+				sprintf(
+					'A new fehler has been added into the database: '.
+					'fehlercode => %s | fehler_kurzbz => %s | fehlertyp => %s',
+					$fehler[self::FEHLERCODE],
+					$fehler[self::FEHLER_KURZBZ],
+					$fehler[self::FEHLERTYP_KURZBZ]
+				)
+			);
+		}
+
+		// handle references
+		if (isset($fehlerReferences[self::APP]))
+		{
+			$this->_ci->load->model('system/FehlerApp_model', 'FehlerAppModel');
+			$apps = $fehlerReferences[self::APP];
+
+			// load all assigned apps
+			$this->_ci->FehlerAppModel->addSelect(self::APP);
+			$fehlerAppRes = $this->_ci->FehlerAppModel->loadWhere([self::FEHLERCODE => $fehler[self::FEHLERCODE]]);
+
+			$fehlerApps = hasData($fehlerAppRes) ? array_column(getData($fehlerAppRes), self::APP) : [];
+
+			$appsToInsert = array_diff($apps, $fehlerApps);
+
+			foreach ($appsToInsert as $app)
+			{
+				// check if app exists in db
+				$fehlerAppsInsertRes = $this->_ci->FehlerAppModel->insert(
+					[self::FEHLERCODE => $fehler[self::FEHLERCODE], self::APP => $app, 'insertamum' => 'NOW()', 'insertvon' => self::UPSERT_BY]
+				);
+
+				if (isError($fehlerAppsInsertRes)) return $fehlerAppsInsertRes;
+
+				$this->_ci->eprintflib->printMessage(
+					"Added app ".$app." to fehler ".$fehler[self::FEHLERCODE]
+				);
+			}
+		}
+
+		// If here then no blocking errors occurred
+		return success();
+	}
+
+	/**
+	 * Create an array with fehler data from config entry
+	 */
+	private function _createFehlerFromEntry($configEntry)
+	{
+		$fehler = ['fehler' => [], 'references' => []];
+		foreach (self::FEHLER_ATTRIBUTES as $attributeName => $attributeInfo)
+		{
+			$required = isset($attributeInfo['required']) && $attributeInfo['required'];
+			if (!isset($configEntry[$attributeName]))
+			{
+				if ($required) return error('attribute'.$attributeName.' is missing');
+				continue;
+			}
+
+			$attributeValue = $configEntry[$attributeName];
+			$validType = false;
+			if (isset($attributeInfo['types']) && is_array($attributeInfo['types']))
+			{
+				foreach ($attributeInfo['types'] as $type)
+				{
+					switch ($type)
+					{
+						case self::TYPE_STRING:
+							if (is_string($attributeValue) || is_null($attributeValue)) $validType = true;
+							break;
+						case self::TYPE_ARRAY:
+							if (is_array($attributeValue) && !($required && isEmptyArray($attributeValue))) $validType = true;
+							break;
+						//~ default:
+							//~ if (is_string($configEntry[$attributeName]) || is_null($configEntry[$attributeName])) $validType = true;
+					}
+				}
+			}
+			else
+			{
+				$validType = is_string($attributeValue) || is_null($attributeValue);
+			}
+
+			if (!$validType)
+			{
+				return error('attribute'.$attributeName.' has invalid type');
+			}
+
+			if ($attributeName == self::APP)
+			{
+				if (is_string($attributeValue)) $attributeValue = [$attributeValue];
+
+				foreach ($attributeValue as $app)
+				{
+					// check if app exists in db
+					$this->_ci->AppModel->addSelect('1');
+					$appRes = $this->_ci->AppModel->loadWhere(['app' => $app]);
+
+					if (!hasData($appRes)) return error("App ".$app." does not exist");
+				}
+			}
+
+			if (isset($attributeInfo['types']) && is_array($attributeInfo['types']) && in_array(self::TYPE_ARRAY, $attributeInfo['types']))
+			{
+				$fehler['references'][$attributeName] = $attributeValue;
+			}
+			else
+			{
+				$fehler['fehler'][$attributeName] = $attributeValue;
+			}
+
+		}
+		return success($fehler);
+	}
+}
@@ -20,6 +20,10 @@ class IssuesLib
 	const ERRORTYPE_CODE = 'error';
 	const WARNINGTYPE_CODE = 'warning';

+	const STATUS_KURZBZ = 'status_kurzbz';
+	const VERARBEITET_AMUM = 'verarbeitetamum';
+	const VERARBEITET_VON = 'verarbeitetvon';
+
 	public function __construct($params = null)
 	{
 		$this->_ci =& get_instance();
@@ -91,12 +95,16 @@ class IssuesLib
 			return error("fehlercode_extern missing");

 		// get external fehlercode (unique for each app)
-		$this->_ci->FehlerModel->addSelect('fehlercode');
-		$fehlerRes = $this->_ci->FehlerModel->loadWhere(
-			array(
-				'fehlercode_extern' => $fehlercode_extern,
-				'app' => $this->_app
-			)
+		$fehlerRes = $this->_ci->FehlerModel->execReadOnlyQuery(
+			'
+				SELECT
+					fehlercode
+				FROM
+					system.tbl_fehler fe
+				WHERE
+					fehlercode_extern = ?
+					AND EXISTS (SELECT 1 FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode AND app = ?)',
+			[$fehlercode_extern, $this->_app]
 		);

 		if (isError($fehlerRes))
@@ -105,8 +113,10 @@ class IssuesLib
 		// check if there is a predefined custom error for the external issue
 		if (hasData($fehlerRes))
 		{
-			$fehlerData = getData($fehlerRes)[0];
 			// if found, use the code
+			$fehlerData = getData($fehlerRes);
+			if (count($fehlerData) > 1) return error("Multiple fehlercode_extern ".$fehlercode_extern. " for app ".$this->_app);
+			$fehlerData = getData($fehlerRes)[0];
 			$fehlercode = $fehlerData->fehlercode;
 		}
 		else
@@ -128,9 +138,9 @@ class IssuesLib
 	public function setBehoben($issue_id, $user)
 	{
 		$data = array(
-			'status_kurzbz' => self::STATUS_BEHOBEN,
-			'verarbeitetvon' => $user,
-			'verarbeitetamum' => date('Y-m-d H:i:s')
+			self::STATUS_KURZBZ => self::STATUS_BEHOBEN,
+			self::VERARBEITET_VON => $user,
+			self::VERARBEITET_AMUM => date('Y-m-d H:i:s')
 		);

 		return $this->_changeIssueStatus($issue_id, $data, $user);
@@ -145,8 +155,8 @@ class IssuesLib
 	public function setInBearbeitung($issue_id, $user)
 	{
 		$data = array(
-			'status_kurzbz' => self::STATUS_IN_BEARBEITUNG,
-			'verarbeitetvon' => $user
+			self::STATUS_KURZBZ => self::STATUS_IN_BEARBEITUNG,
+			self::VERARBEITET_VON => $user
 		);

 		return $this->_changeIssueStatus($issue_id, $data, $user);
@@ -161,9 +171,9 @@ class IssuesLib
 	public function setNeu($issue_id, $user)
 	{
 		$data = array(
-			'status_kurzbz' => self::STATUS_NEU,
-			'verarbeitetvon' => null,
-			'verarbeitetamum' => null
+			self::STATUS_KURZBZ => self::STATUS_NEU,
+			self::VERARBEITET_VON => null,
+			self::VERARBEITET_AMUM => null
 		);

 		return $this->_changeIssueStatus($issue_id, $data, $user);
@@ -185,13 +195,18 @@ class IssuesLib
 			return error("Issue Id must be set correctly.");

 		// check if given status is same as existing
-		$this->_ci->IssueModel->addSelect('status_kurzbz');
+		$this->_ci->IssueModel->addSelect(self::STATUS_KURZBZ.', '.self::VERARBEITET_AMUM);
 		$currStatus = $this->_ci->IssueModel->load($issue_id);

 		if (hasData($currStatus))
 		{
-			if (getData($currStatus)[0]->status_kurzbz == $data['status_kurzbz'])
+			$currStatusData = getData($currStatus)[0];
+			// if same status set, and verarbeitet amum is not being newly set
+			if ($currStatusData->{self::STATUS_KURZBZ} == $data[self::STATUS_KURZBZ]
+				&& !(isset($data[self::VERARBEITET_AMUM]) && !isset($currStatusData->{self::VERARBEITET_AMUM}))
+			) {
 				return success("Same status already set");
+			}
 		}
 		else
 			return error("Error when getting status");
@@ -228,10 +243,10 @@ class IssuesLib
 		$inhalt_extern = null
 	) {
 		if (isEmptyString($person_id) && isEmptyString($oe_kurzbz))
-			return error("Person_id or oe_kurzbz must be set.");
+			return error("Person_id or oe_kurzbz must be set, fehlercode: $fehlercode");

 		// get fehlertextVorlage and replace it with params
-		$fehlerRes = $this->_ci->FehlerModel->load($fehlercode);
+		$fehlerRes = $this->_ci->FehlerModel->loadWhere(['fehlercode' => $fehlercode]);

 		if (hasData($fehlerRes))
 		{
@@ -241,7 +256,7 @@ class IssuesLib
 			if (!isEmptyArray($fehlertext_params))
 			{
 				if (count($fehlertext_params) != substr_count($fehlertextVorlage, '%s'))
-					return error('Wrong number of parameters for Fehlertext, fehler_kurzbz ' . $fehlercode);
+					return error('Wrong number of parameters for Fehlertext, fehlercode ' . $fehlercode);

 				$fehlertext = vsprintf($fehlertextVorlage, $fehlertext_params);
 			}
@@ -50,6 +50,7 @@ class PermissionLib
 	const LOGINAS_PERSONIDS_BLACKLIST = 'permission_loginas_personids_blacklist';

 	private $_ci; // CI instance
+	private $access_rights; // current users access rights
 	private static $bb; // benutzerberechtigung

 	/**
@@ -61,6 +62,8 @@ class PermissionLib
 		// Loads CI instance
 		$this->_ci =& get_instance();

+		$this->access_rights = null;
+
 		$this->_ci->config->load('permission'); // Loads permission configuration

 		// If it's NOT called from command line
@@ -69,8 +72,10 @@ class PermissionLib
 			// API Caller rights initialization
 			$authObj = $this->_ci->authlib->getAuthObj();
 			self::$bb = new benutzerberechtigung();
-			if ($authObj)
+			if ($authObj) {
 				self::$bb->getBerechtigungen($authObj->{AuthLib::AO_USERNAME});
+				$this->access_rights = self::$bb->berechtigungen;
+			}
 		}
 	}

@@ -340,6 +345,16 @@ class PermissionLib
        }
    }

+	/**
+	 * Returns the access rights for the current user
+	 *
+	 * @return array|null
+	 */
+	public function getAccessRights()
+	{
+		return $this->access_rights;
+	}
+
 	//------------------------------------------------------------------------------------------------------------------
 	// Private methods

@@ -49,7 +49,7 @@ class DashboardLib
 	
 	public function getMergedConfig($dashboard_id, $uid)
 	{
-		$defaultconfig = $this->getDefaultConfig($dashboard_id, $uid);
+		$defaultconfig = $this->getDefaultConfig($dashboard_id);
 		$userconfig = $this->getUserConfig($dashboard_id, $uid);
 		
 		$mergedconfig = array_replace_recursive($defaultconfig, $userconfig);
@@ -57,14 +57,31 @@ class DashboardLib
 		return $mergedconfig;
 	}
 	
-	public function getDefaultConfig($dashboard_id, $uid)
+	public function getDefaultConfig($dashboard_id)
 	{
-		$res_presets = $this->_ci->DashboardPresetModel->getPresets($dashboard_id, $uid);
+		$funktion_kurzbzs = [];
+		$rights = $this->_ci->permissionlib->getAccessRights();
+		if ($rights)
+			$funktion_kurzbzs = array_unique(array_map(function ($right) {
+				return $right->funktion_kurzbz;
+			}, $rights));
+		
+		$this->_ci->DashboardPresetModel->db
+			->group_start()
+				->where_in('funktion_kurzbz', $funktion_kurzbzs)
+				->or_where('funktion_kurzbz IS NULL')
+			->group_end();
+
+		$this->_ci->DashboardPresetModel->addOrder('funktion_kurzbz', 'DESC');
+		
+		$result = $this->_ci->DashboardPresetModel->loadWhere([
+			'dashboard_id' => $dashboard_id
+		]);
 		$defaultconfig = array();
 		
-		if (hasData($res_presets))
+		if (hasData($result))
 		{
-			$presets = getData($res_presets);
+			$presets = getData($result);
 			foreach ($presets as $presetobj)
 			{
 				$preset = json_decode($presetobj->preset, true);
@@ -137,8 +154,10 @@ class DashboardLib
 		$dashboard = $this->getDashboardByKurzbz($dashboard_kurzbz);
 		
 		$funktion_kurzbz = ($section === self::SECTION_IF_FUNKTION_KURZBZ_IS_NULL) ? null : $section;
-		$result = $this->_ci->DashboardPresetModel
-			->getPresetByDashboardAndFunktion($dashboard->dashboard_id, $funktion_kurzbz);
+		$result = $this->_ci->DashboardPresetModel->loadWhere([
+			'dashboard_id' => $dashboard->dashboard_id,
+			'funktion_kurzbz' => $funktion_kurzbz
+		]);
 		
 		if (hasData($result))
 		{
@@ -195,11 +214,11 @@ class DashboardLib
 	{
 		foreach ($addwigets as $widget)
 		{
-			if(!isset($widget->widgetid))
+			if(!isset($widget['widgetid']))
 			{
-				$widget->widgetid = $this->generateWidgetId($dashboard_kurzbz);
+				$widget['widgetid'] = $this->generateWidgetId($dashboard_kurzbz);
 			}
-			$this->addWidgetToWidgets($widgets, $section, $widget, $widget->widgetid);
+			$this->addWidgetToWidgets($widgets, $section, $widget, $widget['widgetid']);
 		}
 	}
 	
@@ -9,48 +9,45 @@ class PlausicheckDefinitionLib
 {
 	// set fehler for core plausichecks
 	// structure: fehler_kurzbz => class (library) name for resolving
-	private $_fehlerLibMappings = array(
-		'AbbrecherAktiv' => 'AbbrecherAktiv',
-		'AbschlussstatusFehlt' => 'AbschlussstatusFehlt',
-		'AktSemesterNull' => 'AktSemesterNull',
-		'AktiverStudentOhneStatus' => 'AktiverStudentOhneStatus',
-		'AusbildungssemPrestudentUngleichAusbildungssemStatus' => 'AusbildungssemPrestudentUngleichAusbildungssemStatus',
-		'DatumAbschlusspruefungFehlt' => 'DatumAbschlusspruefungFehlt',
-		'DatumSponsionFehlt' => 'DatumSponsionFehlt',
-		'DatumStudiensemesterFalscheReihenfolge' => 'DatumStudiensemesterFalscheReihenfolge',
-		'FalscheAnzahlAbschlusspruefungen' => 'FalscheAnzahlAbschlusspruefungen',
-		'FalscheAnzahlHeimatadressen' => 'FalscheAnzahlHeimatadressen',
-		'FalscheAnzahlZustelladressen' => 'FalscheAnzahlZustelladressen',
-		'GbDatumWeitZurueck' => 'GbDatumWeitZurueck',
-		'InaktiverStudentAktiverStatus' => 'InaktiverStudentAktiverStatus',
-		'IncomingHeimatNationOesterreich' => 'IncomingHeimatNationOesterreich',
-		'IncomingOhneIoDatensatz' => 'IncomingOhneIoDatensatz',
-		'IncomingOrGsFoerderrelevant' => 'IncomingOrGsFoerderrelevant',
-		'InskriptionVorLetzerBismeldung' => 'InskriptionVorLetzerBismeldung',
-		'NationNichtOesterreichAberGemeinde' => 'NationNichtOesterreichAberGemeinde',
-		'OrgformStgUngleichOrgformPrestudent' => 'OrgformStgUngleichOrgformPrestudent',
-		'PrestudentMischformOhneOrgform' => 'PrestudentMischformOhneOrgform',
-		'StgPrestudentUngleichStgStudienplan' => 'StgPrestudentUngleichStgStudienplan',
-		'StgPrestudentUngleichStgStudent' => 'StgPrestudentUngleichStgStudent',
-		'StudentstatusNachAbbrecher' => 'StudentstatusNachAbbrecher',
-		'DualesStudiumOhneMarkierung' => 'DualesStudiumOhneMarkierung'
-		//'StudienplanUngueltig' => 'StudienplanUngueltig'
-		//'BewerberNichtZumRtAngetreten' => 'BewerberNichtZumRtAngetreten'
+	private $_fehlerKurzbz = array(
+		'AbbrecherAktiv',
+		'AbschlussstatusFehlt',
+		'AbschlusspruefungOderAbsolventFehlt',
+		'AktSemesterNull',
+		'AktiverStudentOhneStatus',
+		'AusbildungssemPrestudentUngleichAusbildungssemStatus',
+		'DatumAbschlusspruefungFehlt',
+		'DatumSponsionFehlt',
+		'DatumStudiensemesterFalscheReihenfolge',
+		'FalscheAnzahlAbschlusspruefungen',
+		'FalscheAnzahlHeimatadressen',
+		'FalscheAnzahlZustelladressen',
+		'FalscheStatusabfolgeVorStudentstatus',
+		'GbDatumWeitZurueck',
+		'InaktiverStudentAktiverStatus',
+		'IncomingHeimatNationOesterreich',
+		'IncomingOhneIoDatensatz',
+		'IncomingOrGsFoerderrelevant',
+		'InskriptionVorLetzerBismeldung',
+		'NationNichtOesterreichAberGemeinde',
+		'OrgformBewerberUngleichOrgformStudent',
+		'OrgformStgUngleichOrgformPrestudent',
+		'PrestudentMischformOhneOrgform',
+		'StartsemesterUngleichPersonenkennzeichen',
+		'StgPrestudentUngleichStgStudienplan',
+		'StgPrestudentUngleichStgStudent',
+		'StudentstatusNachDiplomand',
+		'StudentstatusNachAbbrecher',
+		'DualesStudiumOhneMarkierung'
+		//'StudienplanUngueltig'
+		//'BewerberNichtZumRtAngetreten'
 	);

-	/**
-	 * Gets all fehler_kurzbz-library mappings for fehler which need to be checked.
-	 */
-	public function getFehlerLibMappings()
-	{
-		return $this->_fehlerLibMappings;
-	}
-
 	/**
 	 * Gets all fehler_kurzbz for fehler which need to be checked.
 	 */
 	public function getFehlerKurzbz()
 	{
-		return array_keys($this->_fehlerLibMappings);
+		return $this->_fehlerKurzbz;
 	}
 }
@@ -6,36 +6,43 @@ class PlausicheckProducerLib
 {
 	const CI_PATH = 'application';
 	const CI_LIBRARY_FOLDER = 'libraries';
-	const EXTENSIONS_FOLDER = 'extensions';
 	const PLAUSI_ISSUES_FOLDER = 'issues/plausichecks';
 	const EXECUTE_PLAUSI_CHECK_METHOD_NAME = 'executePlausiCheck';
+	const CONFIG_FEHLER_NAME = 'fehler';
+	const CONFIG_FEHLER_INDEX = 'fehler';
+	const FEHLER_KURZBZ_NAME = 'fehler_kurzbz';
+	const PRODUCER_LIB_NAME = 'producerLibName';
+	const EXTENSION_NAME = 'extensionName';

 	private $_ci; // ci instance
-	private $_extensionName; // name of extension
 	private $_konfiguration = []; // configuration parameters
+	private $_fehlerKurzbz = []; // fehler to produce
 	private $_fehlerLibMappings = []; // mappings of fehler and libraries for producing them
-	private $_isForResolutionCheck = false; // mappings of fehler and libraries for producing them
+	private $_apps = []; // apps of fehler to produce

 	public function __construct($params = null)
 	{
-		// set extension name if called from extension
-		if (isset($params['extensionName'])) $this->_extensionName = $params['extensionName'];
-		if (isset($params['fehlerLibMappings'])) $this->_fehlerLibMappings = $params['fehlerLibMappings'];
-		if (isset($params['isForResolutionCheck'])) $this->_isForResolutionCheck = $params['isForResolutionCheck'];
-
-		// set application
-		$app = isset($params['app']) ? $params['app'] : null;
+		// set application(s))
+		if (isset($params['apps']))
+		{
+			if (is_string($params['apps'])) $params['apps'] = [$params['apps']];
+			if (is_array($params['apps'])) $this->_apps = $params['apps'];
+		}

 		$this->_ci =& get_instance(); // get ci instance

 		// load libraries
 		$this->_ci->load->library('IssuesLib');
+		$this->_ci->load->library('ExtensionsLib');

 		// load models
+		$this->_ci->load->model('system/Fehler_model', 'FehlerModel');
 		$this->_ci->load->model('system/Fehlerkonfiguration_model', 'FehlerkonfigurationModel');

-		// get all configuration parameters for the application
-		$fehlerkonfigurationRes = $this->_ci->FehlerkonfigurationModel->getKonfiguration($app);
+		$this->_ci->load->config(self::CONFIG_FEHLER_NAME);
+
+		// get all configuration parameters for the application(s))
+		$fehlerkonfigurationRes = $this->_ci->FehlerkonfigurationModel->getKonfiguration($this->_apps);

 		if (hasData($fehlerkonfigurationRes))
 		{
@@ -46,10 +53,88 @@ class PlausicheckProducerLib
 				$this->_konfiguration[$fk->fehler_kurzbz][$fk->konfigurationstyp_kurzbz] = $fk->konfiguration;
 			}
 		}
+
+		// get all fehler to be produced (by kurzbz array or app)
+		if (isset($params['fehlerKurzbz']) && !isEmptyArray($params['fehlerKurzbz']))
+		{
+			$this->_fehlerKurzbz = $params['fehlerKurzbz'];
+		}
+		else
+		{
+			// get fehler by apps
+			$fehlerRes = $this->_ci->FehlerModel->getByApps($this->_apps);
+
+			if (hasData($fehlerRes)) $this->_fehlerKurzbz = array_column(getData($fehlerRes), 'fehler_kurzbz');
+		}
+
+		// get producer file paths for the fehler
+
+		// Load Fehler Entries of Core
+		$configArray = $this->_ci->config->item(self::CONFIG_FEHLER_INDEX);
+
+		if (isset($configArray) && is_array($configArray))
+		{
+			foreach ($configArray as $coreEntry)
+			{
+				if (!isset($coreEntry[self::FEHLER_KURZBZ_NAME])
+					|| !isset($coreEntry[self::PRODUCER_LIB_NAME])
+					|| !in_array($coreEntry[self::FEHLER_KURZBZ_NAME], $this->_fehlerKurzbz)
+				) {
+					continue;
+				}
+
+				$this->_fehlerLibMappings[$coreEntry[self::FEHLER_KURZBZ_NAME]][self::PRODUCER_LIB_NAME] = $coreEntry[self::PRODUCER_LIB_NAME];
+			}
+		}
+
+		// load fehler entries of extensions
+		$extensions = $this->_ci->extensionslib->getInstalledExtensions();
+
+		if (hasData($extensions))
+		{
+			$extensionArray = array();
+
+			$extensionsData = getData($extensions);
+
+			foreach ($extensionsData as $ext)
+			{
+				$configFilePath = ExtensionsLib::EXTENSIONS_DIR_NAME.'/'.$ext->name.'/'.self::CONFIG_FEHLER_NAME.'.php';
+				$configFilename = APPPATH.'config/'.$configFilePath;
+
+				// if fehler config file exists in extension
+				if (file_exists($configFilename))
+				{
+					$config = array(); // default value
+
+					// include the config file
+					include($configFilename);
+
+					if (isset($config[self::CONFIG_FEHLER_NAME]) && is_array($config[self::CONFIG_FEHLER_NAME]))
+					{
+						foreach ($config[self::CONFIG_FEHLER_NAME] as $extensionEntry)
+						{
+							if (
+								!isset($extensionEntry[self::FEHLER_KURZBZ_NAME])
+								|| !isset($extensionEntry[self::PRODUCER_LIB_NAME])
+								|| !in_array($extensionEntry[self::FEHLER_KURZBZ_NAME], $this->_fehlerKurzbz)
+							) {
+								continue;
+							}
+
+							// add extension config data to fehler lib mappings
+							$fehler_kurzbz = $extensionEntry[self::FEHLER_KURZBZ_NAME];
+
+							$this->_fehlerLibMappings[$fehler_kurzbz][self::PRODUCER_LIB_NAME] = $extensionEntry[self::PRODUCER_LIB_NAME];
+							$this->_fehlerLibMappings[$fehler_kurzbz][self::EXTENSION_NAME] = $ext->name;
+						}
+					}
+				}
+			}
+		}
 	}

 	/**
-	 * Produces multiple plausicheck issues at once and saved them to db.
+	 * Produces multiple plausicheck issues at once, and saves them in the database.
 	 * @param array $params passed to each plausicheck
 	 * @return result object with occured error and info
 	 */
@@ -59,10 +144,17 @@ class PlausicheckProducerLib
 		$result->errors = [];
 		$result->infos = [];

-		foreach ($this->_fehlerLibMappings as $fehler_kurzbz => $libName)
+		$mappingFehlerKurbz = array_keys($this->_fehlerLibMappings);
+
+		// check if all issues to produce could be found in database
+		//~ $notFoundFehlerKurzbz = array_diff($this->_fehlerKurzbz, $mappingFehlerKurbz);
+
+		//~ if (!isEmptyArray($notFoundFehlerKurzbz))
+			//~ $result->errors[] = error('Fehler to produce not defined in config: '.implode(', ', $notFoundFehlerKurzbz));
+
+		foreach ($mappingFehlerKurbz as $fehler_kurzbz)
 		{
 			$plausicheckRes = $this->producePlausicheckIssue(
-				$libName,
 				$fehler_kurzbz,
 				$params
 			);
@@ -96,14 +188,23 @@ class PlausicheckProducerLib

 	/**
 	 * Executes plausicheck using a given library, returns the result.
-	 * @param $libName string name of library producing the issue
 	 * @param $fehler_kurzbz string unique short name of fehler, for which issue is produced
 	 * @param $params parameters passed to issue production method
 	 */
-	public function producePlausicheckIssue($libName, $fehler_kurzbz, $params)
+	public function producePlausicheckIssue($fehler_kurzbz, $params)
 	{
+		//if (!isset($this->_fehlerLibMappings[$fehler_kurzbz])) return error("Mapping for Fehler " . $fehler_kurzbz . " was not found");
+		if (!isset($this->_fehlerLibMappings[$fehler_kurzbz])) return success(null);
+
+		$mapping = $this->_fehlerLibMappings[$fehler_kurzbz];
+
+		if (!isset($mapping[self::PRODUCER_LIB_NAME]) || isEmptyString($mapping[self::PRODUCER_LIB_NAME]))
+			return error("No producer lib name set for Fehler " . $fehler_kurzbz);
+
+		$libName = $mapping[self::PRODUCER_LIB_NAME];
+
 		// if called from extension (extension name set), path includes extension names
-		$libRootPath = isset($this->_extensionName) ? self::EXTENSIONS_FOLDER . '/' . $this->_extensionName . '/' : '';
+		$libRootPath = isset($mapping[self::EXTENSION_NAME]) ? ExtensionsLib::EXTENSIONS_DIR_NAME . '/' . $mapping[self::EXTENSION_NAME] . '/' : '';

 		// path for loading issue library
 		$issuesLibPath = $libRootPath . self::PLAUSI_ISSUES_FOLDER . '/';
@@ -121,7 +222,7 @@ class PlausicheckProducerLib
 		// load library connected to fehlercode
 		$this->_ci->load->library(
 			$issuesLibPath . $libName,
-			['configurationParams' => $config, 'isForResolutionCheck' => $this->_isForResolutionCheck]
+			['configurationParams' => $config]
 		);

 		$lowercaseLibName = mb_strtolower($libName);
@@ -133,4 +234,13 @@ class PlausicheckProducerLib
 		// call the function for checking for issue production
 		return $this->_ci->{$lowercaseLibName}->{self::EXECUTE_PLAUSI_CHECK_METHOD_NAME}($params);
 	}
+
+	/**
+	 * Get fehler kurzbz -> library mappings.
+	 * @return array with fehler kurzbz as key and fehlerinfo as values
+	 */
+	public function getFehlerMappings()
+	{
+		return $this->_fehlerLibMappings;
+	}
 }
@@ -9,43 +9,177 @@ class PlausicheckResolverLib
 	const EXTENSIONS_FOLDER = 'extensions';
 	const ISSUE_RESOLVERS_FOLDER = 'issues/resolvers';
 	const CHECK_ISSUE_RESOLVED_METHOD_NAME = 'checkIfIssueIsResolved';
+	const CONFIG_FEHLER_NAME = 'fehler';
+	const FEHLERCODE_NAME = 'fehlercode';
+	const FEHLER_KURZBZ_NAME = 'fehler_kurzbz';
+	const RESOLVER_LIB_NAME = 'resolverLibName';
+	const PRODUCER_IS_RESOLVER_NAME = 'producerIsResolver';
+	const EXTENSION_NAME = 'extensionName';
+

 	private $_ci; // ci instance
 	private $_extensionName; // name of extension
+	private $_fehlercodes = []; // fehlercodes to resolve
+	private $_apps = []; // apps for which issues should be resolved
 	private $_codeLibMappings = []; // mappings for issues which explicitly defined resolver
-	private $_codeProducerLibMappings = []; // mappings for issues which are resolved with the same check as they are produced
+	private $_defaultIssueParams = ['issue_id' => 'issue_id', 'issue_person_id' => 'person_id', 'issue_oe_kurzbz' => 'oe_kurzbz'];

 	public function __construct($params = null)
 	{
-		// set extension name if called from extension
-		if (isset($params['extensionName'])) $this->_extensionName = $params['extensionName'];
-		if (isset($params['codeLibMappings'])) $this->_codeLibMappings = $params['codeLibMappings'];
-		if (isset($params['codeProducerLibMappings'])) $this->_codeProducerLibMappings = $params['codeProducerLibMappings'];
+		// set application(s))
+		if (isset($params['apps']))
+		{
+			if (is_string($params['apps'])) $params['apps'] = [$params['apps']];
+			if (is_array($params['apps'])) $this->_apps = $params['apps'];
+		}

 		$this->_ci =& get_instance(); // get ci instance

+		// get all fehler to be produced (by kurzbz array or app)
+		if (isset($params['fehlercodes']) && !isEmptyArray($params['fehlercodes']))
+		{
+			$this->_fehlercodes = $params['fehlercodes'];
+		}
+		elseif (isset($params['apps']) && !isEmptyArray($params['apps']))
+		{
+			$this->_ci->load->model('system/Fehler_model', 'FehlerModel');
+			$fehlerRes = $this->_ci->FehlerModel->getByApps($this->_apps);
+
+			if (hasData($fehlerRes))
+			{
+				$this->_fehlercodes = array_column(getData($fehlerRes), 'fehlercode');
+			}
+		}
+
 		$this->_ci->load->library('IssuesLib');
-		$this->_ci->load->library('issues/PlausicheckProducerLib', ['extensionName' => $this->_extensionName, 'isForResolutionCheck' => true]);
+		$this->_ci->load->library('ExtensionsLib');
+
+		$this->_ci->load->config('fehler');
+
+		// Load Fehler Entries of Core
+		$configArray = $this->_ci->config->item(self::CONFIG_FEHLER_NAME);
+
+		foreach ($configArray as $coreEntry)
+		{
+			// each entry must have fehlercode
+			if (!isset($coreEntry[self::FEHLERCODE_NAME])
+				|| !in_array($coreEntry[self::FEHLERCODE_NAME], $this->_fehlercodes)
+			) {
+				continue;
+			}
+
+			// fill code lib mappings with needed values
+			$fehlercode = $coreEntry[self::FEHLERCODE_NAME];
+
+			if (isset($coreEntry[self::FEHLER_KURZBZ_NAME]))
+				$this->_codeLibMappings[$fehlercode][self::FEHLER_KURZBZ_NAME] = $coreEntry[self::FEHLER_KURZBZ_NAME];
+
+			$this->_codeLibMappings[$fehlercode][self::RESOLVER_LIB_NAME] = $coreEntry[self::RESOLVER_LIB_NAME] ?? null;
+			$this->_codeLibMappings[$fehlercode][self::PRODUCER_IS_RESOLVER_NAME]
+				= $coreEntry[self::PRODUCER_IS_RESOLVER_NAME] ?? false;
+		}
+
+		// load fehler entries of extensions
+		$extensions = $this->_ci->extensionslib->getInstalledExtensions();
+
+		if (hasData($extensions))
+		{
+			$extensionArray = array();
+
+			$extensionsData = getData($extensions);
+
+			foreach ($extensionsData as $ext)
+			{
+				$configFilename = APPPATH.'config/'.ExtensionsLib::EXTENSIONS_DIR_NAME.'/'.$ext->name.'/'.self::CONFIG_FEHLER_NAME.'.php';
+
+				// if fehler config file exists in teh extension
+				if (file_exists($configFilename))
+				{
+					$config = array(); // default value
+
+					// include config data
+					include($configFilename);
+
+					if (isset($config[self::CONFIG_FEHLER_NAME]) && is_array($config[self::CONFIG_FEHLER_NAME]))
+					{
+						foreach ($config[self::CONFIG_FEHLER_NAME] as $extensionEntry)
+						{
+							if (
+								!isset($extensionEntry[self::FEHLERCODE_NAME])
+								|| !in_array($extensionEntry[self::FEHLERCODE_NAME], $this->_fehlercodes)
+							) {
+								continue;
+							}
+
+							// add extension config data to fehlercode lib mappings
+							$fehlercode = $extensionEntry[self::FEHLERCODE_NAME];
+							if (isset($extensionEntry[self::FEHLER_KURZBZ_NAME]))
+								$this->_codeLibMappings[$fehlercode][self::FEHLER_KURZBZ_NAME] = $extensionEntry[self::FEHLER_KURZBZ_NAME];
+
+							$this->_codeLibMappings[$fehlercode][self::RESOLVER_LIB_NAME]
+								= $extensionEntry[self::RESOLVER_LIB_NAME] ?? null;
+							$this->_codeLibMappings[$fehlercode][self::EXTENSION_NAME] = $ext->name;
+							$this->_codeLibMappings[$fehlercode][self::PRODUCER_IS_RESOLVER_NAME]
+								= $extensionEntry[self::PRODUCER_IS_RESOLVER_NAME] ?? false;
+						}
+					}
+				}
+			}
+		}
 	}

 	/**
 	 * Reseolves multiple plausicheck issues at once.
-	 * @param array $codeLibMappings contains fehler type to check and library responsible for check (fehlercode => libName)
-	 * @param array $openIssues passed issues to resolve
+	 * @param array $openIssues passed issues to resolve. If null, issues with fehlercodes in _fehlercodes property are loaded
 	 * @return result object with occured error and info
 	 */
-	public function resolvePlausicheckIssues($openIssues)
+	public function resolvePlausicheckIssues($openIssues = null)
 	{
+		// loading producer lib with fehler kurzbz of provided code mappings, for "self resolving" issues
+		$this->_ci->load->library(
+			'issues/PlausicheckProducerLib',
+			['fehlerKurzbz' => array_column($this->_codeLibMappings, self::FEHLER_KURZBZ_NAME)], 'PlausicheckResolverProducerLib'
+		);
+
+		if (!isset($openIssues))
+		{
+			if (!isEmptyArray($this->_fehlercodes))
+			{
+				$this->_ci->load->model('system/Issue_model', 'IssueModel');
+
+				// load open issues with given errorcodes
+				$openIssuesRes = $this->_ci->IssueModel->getOpenIssues(
+					$this->_fehlercodes
+				);
+
+				$openIssues = hasData($openIssuesRes) ? getData($openIssuesRes) : [];
+			}
+		}
+
+
 		$result = new StdClass();
 		$result->errors = [];
 		$result->infos = [];

+		// check if all issues to resolve could be found in database
+		//~ $mappingFehlerCodes = array_keys($this->_codeLibMappings);
+		//~ $notFoundFehlerCodes = array_diff($this->_fehlercodes, $mappingFehlerCodes);
+
+		//~ if (!isEmptyArray($notFoundFehlerCodes))
+			//~ $result->errors[] = error('Fehler to resolve not defined in config: '.implode(', ', $notFoundFehlerCodes));
+
 		foreach ($openIssues as $issue)
 		{
+			$params = [];
+			foreach ($this->_defaultIssueParams as $index => $propertyName)
+			{
+				$params[$index] = $issue->{$propertyName};
+			}
+
 			// add person id and oe kurzbz automatically as params, merge it with additional params
 			// decode bewerbung_parameter into assoc array
 			$params = array_merge(
-				array('issue_id' => $issue->issue_id, 'issue_person_id' => $issue->person_id, 'issue_oe_kurzbz' => $issue->oe_kurzbz),
+				$params,
 				isset($issue->behebung_parameter) ? json_decode($issue->behebung_parameter, true) : array()
 			);

@@ -54,69 +188,72 @@ class PlausicheckResolverLib
 			// ignore if Fehlercode is not in libmappings (shouldn't be checked)
 			if (isset($this->_codeLibMappings[$issue->fehlercode]))
 			{
-				$libName = $this->_codeLibMappings[$issue->fehlercode];
+				$codeLibMapping = $this->_codeLibMappings[$issue->fehlercode];
+				$libName = $codeLibMapping[self::RESOLVER_LIB_NAME] ?? null;
+				$extensionName = $codeLibMapping[self::EXTENSION_NAME] ?? null;
+				$producerIsResolver = $codeLibMapping[self::PRODUCER_IS_RESOLVER_NAME] ?? false;

-				// if called from extension (extension name set), path includes extension names
-				$libRootPath = isset($this->_extensionName) ? self::EXTENSIONS_FOLDER . '/' . $this->_extensionName . '/' : '';
-
-				// path for loading issue library
-				$issuesLibPath = $libRootPath . self::ISSUE_RESOLVERS_FOLDER . '/';
-
-				// file path of library for check if file exists
-				$issuesLibFilePath = DOC_ROOT . self::CI_PATH
-					. '/' . $libRootPath . self::CI_LIBRARY_FOLDER . '/' . self::ISSUE_RESOLVERS_FOLDER . '/' . $libName . '.php';
-
-				// check if library file exists
-				if (!file_exists($issuesLibFilePath))
+				if ($producerIsResolver)
 				{
-					// log error and continue with next issue if not
-					$result->errors[] = "Issue library file " . $issuesLibFilePath . " does not exist";
-					continue;
-				}
+					// execute same check as used for issue production
+					$issueResolvedRes = $this->_ci->PlausicheckResolverProducerLib->producePlausicheckIssue(
+						$issue->fehler_kurzbz,
+						$params
+					);

-				// load library connected to fehlercode
-				$this->_ci->load->library($issuesLibPath . $libName);
-
-				$lowercaseLibName = mb_strtolower($libName);
-
-				// check if method is defined in library class
-				if (!is_callable(array($this->_ci->{$lowercaseLibName}, self::CHECK_ISSUE_RESOLVED_METHOD_NAME)))
-				{
-					// log error and continue with next issue if not
-					$result->errors[] = "Method " . self::CHECK_ISSUE_RESOLVED_METHOD_NAME . " is not defined in library $lowercaseLibName";
-					continue;
-				}
-
-				// call the function for checking for issue resolution
-				$issueResolvedRes = $this->_ci->{$lowercaseLibName}->{self::CHECK_ISSUE_RESOLVED_METHOD_NAME}($params);
-
-				if (isError($issueResolvedRes))
-				{
-					$result->errors[] = getError($issueResolvedRes);
+					if (isError($issueResolvedRes))
+					{
+						$result->errors[] = getError($issueResolvedRes);
+					}
+					else
+					{
+						$issueResolved = !hasData($issueResolvedRes);
+					}
 				}
 				else
 				{
-					$issueResolved = getData($issueResolvedRes) === true;
-				}
-			}
-			elseif (isset($this->_codeProducerLibMappings[$issue->fehlercode])) // check if it is an issue without explicit resolver, "self-resolving"
-			{
-				$libName = $this->_codeProducerLibMappings[$issue->fehlercode];
+					// if called from extension (extension name set), path includes extension names
+					$libRootPath = isset($extensionName) ? self::EXTENSIONS_FOLDER . '/' . $extensionName . '/' : '';

-				// execute same check as used for issue production 
-				$issueResolvedRes = $this->_ci->plausicheckproducerlib->producePlausicheckIssue(
-					$libName,
-					$issue->fehler_kurzbz,
-					$params
-				);
+					// path for loading issue library
+					$issuesLibPath = $libRootPath . self::ISSUE_RESOLVERS_FOLDER . '/';

-				if (isError($issueResolvedRes))
-				{
-					$result->errors[] = getError($issueResolvedRes);
-				}
-				else
-				{
-					$issueResolved = !hasData($issueResolvedRes);
+					// file path of library for check if file exists
+					$issuesLibFilePath = DOC_ROOT . self::CI_PATH
+						. '/' . $libRootPath . self::CI_LIBRARY_FOLDER . '/' . self::ISSUE_RESOLVERS_FOLDER . '/' . $libName . '.php';
+
+					// check if library file exists
+					if (!file_exists($issuesLibFilePath))
+					{
+						// log error and continue with next issue if not
+						$result->errors[] = "Issue library file " . $issuesLibFilePath . " does not exist";
+						continue;
+					}
+
+					// load library connected to fehlercode
+					$this->_ci->load->library($issuesLibPath . $libName);
+
+					$lowercaseLibName = mb_strtolower($libName);
+
+					// check if method is defined in library class
+					if (!is_callable(array($this->_ci->{$lowercaseLibName}, self::CHECK_ISSUE_RESOLVED_METHOD_NAME)))
+					{
+						// log error and continue with next issue if not
+						$result->errors[] = "Method " . self::CHECK_ISSUE_RESOLVED_METHOD_NAME . " is not defined in library $lowercaseLibName";
+						continue;
+					}
+
+					// call the function for checking for issue resolution
+					$issueResolvedRes = $this->_ci->{$lowercaseLibName}->{self::CHECK_ISSUE_RESOLVED_METHOD_NAME}($params);
+
+					if (isError($issueResolvedRes))
+					{
+						$result->errors[] = getError($issueResolvedRes);
+					}
+					else
+					{
+						$issueResolved = getData($issueResolvedRes) === true;
+					}
 				}
 			}

@@ -23,7 +23,11 @@ class AbbrecherAktiv extends PlausiChecker
 			AND benutzer.aktiv=true";

 	protected $_config_params = ['exkludierteStudiengaenge' => " AND stg.studiengang_kz NOT IN ?"];
-	protected $_params_for_checking = ['studiengang_kz' => " AND stg.studiengang_kz = ?", 'prestudent_id' => " AND pre.prestudent_id = ?"];
+	protected $_params_for_checking = [
+		'studiengang_kz' => " AND stg.studiengang_kz = ?",
+		'prestudent_id' => " AND pre.prestudent_id = ?",
+		'person_id' => " AND pre.person_id = ?"
+	];
 	protected $_fehlertext_params = ['prestudent_id'];
 	protected $_resolution_params = ['prestudent_id'];
 }
@@ -0,0 +1,156 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class AbschlusspruefungOderAbsolventFehlt extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->getAbschlusspruefungOderAbsolventFehlt(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id, 'studiensemester_kurzbz' => $studiensemester_kurzbz)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * If there is a final exam, there should be an absolvent status (and vice versa).
+	 * @param studiensemester_kurzbz Status from this and previous semester is checked
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	public function getAbschlusspruefungOderAbsolventFehlt($studiensemester_kurzbz = null, $studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	{
+		$params = array();
+
+
+		$qry = "
+				SELECT DISTINCT ON (prestudent_id) person_id, prestudent_id, studiengang_kz, prestudent_stg_oe_kurzbz FROM (
+					WITH meldestichtag AS (
+						SELECT
+							meldestichtag, studiensemester_kurzbz
+						FROM
+							bis.tbl_bismeldestichtag";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+			$prevStudiensemesterRes = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+
+			if (isError($prevStudiensemesterRes)) return $prevStudiensemesterRes;
+
+			$semesterArr = array($studiensemester_kurzbz);
+
+			if (hasData($prevStudiensemesterRes))
+			{
+				// if Studiensemester given, check only if has status in current or previous semester
+				$semesterArr[] = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
+			}
+
+			$qry .= " WHERE studiensemester_kurzbz IN ?";
+
+			$params[] = $semesterArr;
+		}
+
+			$qry .= "
+					)
+					SELECT
+						prestudent.person_id, prestudent.prestudent_id,
+						stg.studiengang_kz, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+						EXISTS (
+							SELECT 1
+							FROM
+								lehre.tbl_abschlusspruefung pr
+							WHERE
+								student_uid = benutzer.uid
+								AND abschlussbeurteilung_kurzbz <> 'nicht'
+								AND pr.datum < meldestichtag.meldestichtag
+						) AS hat_pruefung,
+						(status.status_kurzbz IS NOT NULL) AS hat_absolvent,
+						(status.ausbildungssemester = stg.max_semester) AS absolvent_in_letztem_semester
+					FROM
+						meldestichtag
+						CROSS JOIN public.tbl_student student
+						JOIN public.tbl_prestudent prestudent USING (prestudent_id)
+						JOIN public.tbl_benutzer benutzer ON (benutzer.uid = student.student_uid)
+						JOIN public.tbl_studiengang stg ON prestudent.studiengang_kz = stg.studiengang_kz
+						LEFT JOIN public.tbl_prestudentstatus status
+							ON status.prestudent_id = prestudent.prestudent_id
+							AND status.status_kurzbz = 'Absolvent'
+							AND status.datum < meldestichtag.meldestichtag
+						WHERE EXISTS (
+							SELECT 1
+							FROM
+								public.tbl_prestudentstatus
+							WHERE
+								prestudent_id = prestudent.prestudent_id
+								AND studiensemester_kurzbz = meldestichtag.studiensemester_kurzbz
+						)";
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND prestudent.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		$qry .=	"
+				) prestudenten
+				WHERE
+					(hat_absolvent AND absolvent_in_letztem_semester AND hat_pruefung = FALSE)
+					OR (hat_pruefung AND hat_absolvent = FALSE)";
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,12 +19,14 @@ class AbschlussstatusFehlt extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getAbschlussstatusFehlt(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -55,6 +57,7 @@ class AbschlussstatusFehlt extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -62,6 +65,7 @@ class AbschlussstatusFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -101,23 +105,26 @@ class AbschlussstatusFehlt extends PlausiChecker

 		if (isset($studiensemester_kurzbz))
 		{
+			$this->_ci->load->model('organisation/studiensemester_model', 'StudiensemesterModel');
 			$prevStudiensemesterRes = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);

 			if (isError($prevStudiensemesterRes)) return $prevStudiensemesterRes;

+			$semesterArr = array($studiensemester_kurzbz);
+
 			if (hasData($prevStudiensemesterRes))
 			{
 				// if Studiensemester given, check only if has status in current or previous semester
-				$prevStudiensemester = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
-				$qry .= " AND EXISTS (
-							SELECT 1
-							FROM public.tbl_prestudentstatus ps
-							WHERE studiensemester_kurzbz IN (?, ?)
-							AND ps.prestudent_id = pre.prestudent_id
-						)";
-				$params[] = $prevStudiensemester;
-				$params[] = $studiensemester_kurzbz;
+				$semesterArr[] = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
 			}
+
+			$qry .= " AND EXISTS (
+						SELECT 1
+						FROM public.tbl_prestudentstatus ps
+						WHERE studiensemester_kurzbz IN ?
+						AND ps.prestudent_id = pre.prestudent_id
+					)";
+			$params[] = $semesterArr;
 		}

 		if (isset($studiengang_kz))
@@ -132,6 +139,12 @@ class AbschlussstatusFehlt extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,9 +19,10 @@ class AktSemesterNull extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -56,11 +57,17 @@ class AktSemesterNull extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getAktSemesterNull($studiensemester_kurzbz, $studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
-	{
+	public function getAktSemesterNull(
+		$studiensemester_kurzbz,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
 		$params = array($studiensemester_kurzbz);

 		$qry = "
@@ -89,6 +96,12 @@ class AktSemesterNull extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class AktiverStudentOhneStatus extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getAktiverStudentOhneStatus($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getAktiverStudentOhneStatus($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -48,10 +49,11 @@ class AktiverStudentOhneStatus extends PlausiChecker
 	 * Students with active Benutzer should have a status in the current semester.
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getAktiverStudentOhneStatus($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getAktiverStudentOhneStatus($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -88,6 +90,12 @@ class AktiverStudentOhneStatus extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getAktiverStudentstatusOhneKontobuchung(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -61,6 +63,7 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -68,6 +71,7 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -109,6 +113,13 @@ class AktiverStudentstatusOhneKontobuchung extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getAusbildungssemPrestudentUngleichAusbildungssemStatus(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -64,6 +66,7 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -71,6 +74,7 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz, $studiensemester_kurzbz, $studiensemester_kurzbz);
@@ -105,6 +109,12 @@ class AusbildungssemPrestudentUngleichAusbildungssemStatus extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -0,0 +1,122 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class BeginndatumVorBismeldung extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->getBeginndatumVorBismeldung(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id,
+						'studiensemester_kurzbz' => $prestudent->studiensemester_kurzbz,
+					),
+					'resolution_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id,
+						'studiensemester_kurzbz' => $prestudent->studiensemester_kurzbz
+					)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Beginndatum shouldn't be before Bismeldedatum if the Bismeldedatum has already  been reached.
+	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	public function getBeginndatumVorBismeldung(
+		$studiensemester_kurzbz,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$this->_ci->load->model('codex/Bismeldestichtag_model', 'BismeldestichtagModel');
+
+		$bismeldestichtagRes = $this->_ci->BismeldestichtagModel->getByStudiensemester($studiensemester_kurzbz);
+
+		if (isError($bismeldestichtagRes)) return $bismeldestichtagRes;
+
+		if (!hasData($bismeldestichtagRes)) return success(array());
+
+		$bismeldestichtag = getData($bismeldestichtagRes)[0]->meldestichtag;
+
+		$params = array($bismeldestichtag, $studiensemester_kurzbz, $bismeldestichtag);
+
+		$qry = "
+			SELECT
+				prestudent.person_id, prestudent.prestudent_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz, status.studiensemester_kurzbz
+			FROM
+				public.tbl_prestudent prestudent
+				JOIN public.tbl_prestudentstatus status ON(prestudent.prestudent_id=status.prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				LEFT JOIN bis.tbl_orgform USING(orgform_kurzbz)
+				JOIN public.tbl_studiengang stg USING(studiengang_kz)
+			WHERE
+				status.datum < ?::date
+				AND status.studiensemester_kurzbz = ?
+				AND status.insertamum > ?::date + interval '1' day
+				AND stg.melderelevant
+				AND prestudent.bismelden";
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND prestudent.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,12 +19,14 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getBewerberNichtZumRtAngetreten(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,6 +60,7 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -65,6 +68,7 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
@@ -112,6 +116,12 @@ class BewerberNichtZumRtAngetreten extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getDatumAbschlusspruefungFehlt(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,6 +60,7 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param abschlusspruefung_id int if check is to be executed for a certain Abschlussprüfung
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -65,6 +68,7 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$abschlusspruefung_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -112,6 +116,12 @@ class DatumAbschlusspruefungFehlt extends PlausiChecker
 			$params[] = $abschlusspruefung_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class DatumSponsionFehlt extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getDatumSponsionFehlt(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,6 +60,7 @@ class DatumSponsionFehlt extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param abschlusspruefung_id int if check is to be executed only for a certain Abschlussprüfung
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -65,6 +68,7 @@ class DatumSponsionFehlt extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$abschlusspruefung_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -112,6 +116,12 @@ class DatumSponsionFehlt extends PlausiChecker
 			$params[] = $abschlusspruefung_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class DatumStudiensemesterFalscheReihenfolge extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getDatumStudiensemesterFalscheReihenfolge($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getDatumStudiensemesterFalscheReihenfolge($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -50,11 +51,16 @@ class DatumStudiensemesterFalscheReihenfolge extends PlausiChecker
 	 * Status Dates and status studysemester dates should be in correct order.
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if check is to be executed only for certain Studiengaenge
 	 * @return success with prestudents or error
 	 */
-	public function getDatumStudiensemesterFalscheReihenfolge($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
-	{
+	public function getDatumStudiensemesterFalscheReihenfolge(
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
 		$params = array();

 		// all active students with Status student in current semester
@@ -97,6 +103,12 @@ class DatumStudiensemesterFalscheReihenfolge extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getDualesStudiumOhneMarkierung(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -61,6 +63,7 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -68,6 +71,7 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -132,6 +136,12 @@ class DualesStudiumOhneMarkierung extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getFalscheAnzahlAbschlusspruefungen(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -55,6 +57,7 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
@@ -62,6 +65,7 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -111,6 +115,12 @@ class FalscheAnzahlAbschlusspruefungen extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,13 @@ class FalscheAnzahlHeimatadressen extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getFalscheAnzahlHeimatadressen(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -19,12 +19,13 @@ class FalscheAnzahlZustelladressen extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getFalscheAnzahlZustelladressen(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -0,0 +1,186 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class FalscheStatusabfolgeVorStudentstatus extends PlausiChecker
+{
+	private $_statusAbfolge = array('Interessent', 'Bewerber', 'Aufgenommener', 'Student');
+
+	public function executePlausiCheck($params)
+	{
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->getFalscheStatusabfolgeVorStudentstatus(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id,
+						'studiensemester_kurzbz' => $prestudent->studiensemester_kurzbz,
+						'status_abfolge' => implode(', ', $this->_statusAbfolge)
+					),
+					'resolution_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id
+					)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * There should be certain order of status before the student status.
+	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	public function getFalscheStatusabfolgeVorStudentstatus(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array($this->_statusAbfolge);
+
+		$qry = "
+			SELECT
+				DISTINCT person_id, prestudent_id, prestudent_stg_oe_kurzbz, studiensemester_kurzbz
+			FROM
+			(
+				SELECT
+					prestudent.person_id, prestudent.prestudent_id,
+					stg.studiengang_kz, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz, status.studiensemester_kurzbz,
+					status.status_kurzbz, status.datum, status.insertamum, status.ext_id,
+					LAG(status.status_kurzbz, 1)
+						OVER (
+							PARTITION BY prestudent.prestudent_id
+							ORDER BY status.datum, status.insertamum, status.ext_id
+						) AS prev_status_kurzbz
+				FROM
+					public.tbl_prestudent prestudent
+					JOIN public.tbl_prestudentstatus status ON (prestudent.prestudent_id=status.prestudent_id)
+					JOIN public.tbl_person USING(person_id)
+					LEFT JOIN bis.tbl_orgform USING(orgform_kurzbz)
+					JOIN public.tbl_studiengang stg USING(studiengang_kz)
+				WHERE
+					status.status_kurzbz IN ?
+					AND stg.melderelevant
+					AND prestudent.bismelden
+					-- there should be a student already
+					AND EXISTS (
+						SELECT 1
+						FROM
+							public.tbl_prestudentstatus
+						WHERE
+							prestudent_id = prestudent.prestudent_id
+							AND status_kurzbz = 'Student'
+							AND datum >= status.datum
+					)
+			) prestudents
+			WHERE
+			(";
+
+		foreach ($this->_statusAbfolge as $idx => $status_kurzbz)
+		{
+			// previous status should be either same status, or previous status, or null in case of first status
+			if ($idx != 0)$qry .= " OR ";
+			$qry .= " (status_kurzbz = ? AND prev_status_kurzbz NOT IN ?";
+			$prev_status_kurzbz = array($status_kurzbz);
+
+			if ($idx == 0)
+				$qry .= " AND prev_status_kurzbz IS NOT NULL";
+			else
+				$prev_status_kurzbz[] = $this->_statusAbfolge[$idx - 1];
+
+			$qry .= ')';
+
+			$params[] = $status_kurzbz;
+			$params[] = $prev_status_kurzbz;
+		}
+
+		$qry .= "
+			)";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+			$prevStudiensemesterRes = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+
+			if (isError($prevStudiensemesterRes)) return $prevStudiensemesterRes;
+
+			$semesterArr = array($studiensemester_kurzbz);
+
+			if (hasData($prevStudiensemesterRes))
+			{
+				// if Studiensemester given, check only if has status in current or previous semester
+				$semesterArr[] = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
+			}
+
+			$qry .= " AND EXISTS (
+						SELECT 1
+						FROM public.tbl_prestudentstatus ps
+						WHERE studiensemester_kurzbz IN ?
+						AND ps.prestudent_id = prestudents.prestudent_id
+					)";
+
+			$params[] = $semesterArr;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		$qry .= " ORDER BY person_id DESC, prestudent_id DESC, prestudent_stg_oe_kurzbz, studiensemester_kurzbz";
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,131 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class FalscherIncomingZweckPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getFalscherIncomingZweck(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Incomings should have the correct Zweck.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getFalscherIncomingZweck(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+		$studiensemester_clause = '';
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$studiensemester_clause = "AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		$qry = "
+		SELECT * FROM (
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz, zw.zweck_code, stg.studiengang_kz,
+				bisio.bisio_id, COUNT(zw.zweck_code) OVER (PARTITION BY bisio_id) AS anzahl
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+				JOIN bis.tbl_bisio_zweck zw USING (bisio_id)
+			WHERE
+				stg.melderelevant
+				AND pre.bismelden
+				AND status.status_kurzbz = 'Incoming'
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				{$studiensemester_clause}
+		) zwecke
+		WHERE anzahl = 1 AND zweck_code NOT IN ('1', '2', '3')";
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND zwecke.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND zwecke.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,9 +19,10 @@ class GbDatumWeitZurueck extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$personRes = $this->getGbDatumWeitZurueck($studiensemester_kurzbz, $studiengang_kz, null, $exkludierte_studiengang_kz);
+		$personRes = $this->getGbDatumWeitZurueck($studiensemester_kurzbz, $studiengang_kz, $person_id, $exkludierte_studiengang_kz);

 		if (isError($personRes)) return $personRes;

@@ -0,0 +1,108 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class GeburtsnationFehlt extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$personRes = $this->_getGeburtsnationFehlt(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($personRes)) return $personRes;
+
+		if (hasData($personRes))
+		{
+			$persons = getData($personRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($persons as $person)
+			{
+				$results[] = array(
+					'person_id' => $person->person_id,
+					'fehlertext_params' => array(),
+					'resolution_params' => array()
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Geburtsnation is missing.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param person_id int if check is to be executed only for one person
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getGeburtsnationFehlt(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT person_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				(geburtsnation IS NULL OR geburtsnation = '')
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,12 +19,14 @@ class InaktiverStudentAktiverStatus extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getInaktiverStudentAktiverStatus(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -58,21 +60,26 @@ class InaktiverStudentAktiverStatus extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
 	public function getInaktiverStudentAktiverStatus(
-		$studiensemester_kurzbz,
+		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
-		$this->_ci->load->model('organisation/studiensemester_model', 'StudiensemesterModel');
-		$aktStudiensemesterRes = $this->_ci->StudiensemesterModel->getAkt();
+		if (!isset($studiensemester_kurzbz))
+		{
+			$this->_ci->load->model('organisation/studiensemester_model', 'StudiensemesterModel');
+			$aktStudiensemesterRes = $this->_ci->StudiensemesterModel->getAkt();

-		if (isError($aktStudiensemesterRes)) return $aktStudiensemesterRes;
+			if (isError($aktStudiensemesterRes)) return $aktStudiensemesterRes;

-		$studiensemester_kurzbz = hasData($aktStudiensemesterRes) ? getData($aktStudiensemesterRes)[0]->studiensemester_kurzbz : '';
+			$studiensemester_kurzbz = hasData($aktStudiensemesterRes) ? getData($aktStudiensemesterRes)[0]->studiensemester_kurzbz : '';
+		}

 		$params = array($studiensemester_kurzbz);

@@ -103,6 +110,12 @@ class InaktiverStudentAktiverStatus extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,13 @@ class IncomingHeimatNationOesterreich extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getIncomingHeimatNationOesterreich(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -18,9 +18,10 @@ class IncomingOhneIoDatensatz extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getIncomingOhneIoDatensatz($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getIncomingOhneIoDatensatz($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -48,10 +49,11 @@ class IncomingOhneIoDatensatz extends PlausiChecker
 	 * Incoming should have IN/OUT data.
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getIncomingOhneIoDatensatz($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getIncomingOhneIoDatensatz($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -85,6 +87,12 @@ class IncomingOhneIoDatensatz extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getIncomingOrGsFoerderrelevant(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -55,6 +57,7 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return object success or error
 	 */
@@ -62,6 +65,7 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 		$studiensemester_kurzbz = null,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -114,6 +118,12 @@ class IncomingOrGsFoerderrelevant extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -19,12 +19,14 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getInskriptionVorLetzerBismeldung(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -59,7 +61,7 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker

 	/**
 	 * Students of a semester shouldn't start studies before the date of Bismeldung.
-	 * e.g. If student studies in WS2022 datum of status shouldn't be before 15.4.2020
+	 * e.g. If student studies in WS2022 datum of status shouldn't be before 15.4.2022
 	 * e.g. If student studies in SS2022 datum of status shouldn't be before 15.11.2022
 	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
@@ -71,11 +73,14 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		// get Bismeldedatum
 		$datumBis = $this->_getBisdateFromSemester($studiensemester_kurzbz);

+		if (!$datumBis) return success([]);
+
 		$params = array($datumBis, $studiensemester_kurzbz, $datumBis);

 		// get active students
@@ -117,6 +122,12 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -132,17 +143,16 @@ class InskriptionVorLetzerBismeldung extends PlausiChecker
 	 */
 	private function _getBisdateFromSemester($studiensemester_kurzbz)
 	{
-		$semesterYear = substr($studiensemester_kurzbz, 2, 6);
-		$semesterType = substr($studiensemester_kurzbz, 0, 2);
+		$bisdate = null;

-		if ($semesterType == 'SS')
-		{
-			return date_format(date_create(($semesterYear - 1)."-11-15"), 'Y-m-d');
-		}
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$prevSemester = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+		if (!hasData($prevSemester)) return null;
+		$prevSemester = getData($prevSemester)[0]->studiensemester_kurzbz;

-		if ($semesterType == 'WS')
-		{
-			return date_format(date_create($semesterYear."-04-15"), 'Y-m-d');
-		}
+		$this->_ci->load->model('codex/Bismeldestichtag_model', 'BismeldestichtagModel');
+		$bisDate = $this->_ci->BismeldestichtagModel->getLastReachedMeldestichtag($prevSemester);
+		if (!hasData($bisDate)) return null;
+		return getData($bisDate)[0]->meldestichtag;
 	}
 }
@@ -0,0 +1,125 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class KeinAufenthaltszweckPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getKeinAufenthaltszweck(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Students with mobility should have Aufenthaltszweck.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getKeinAufenthaltszweck(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				zw.zweck_code, stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+				LEFT JOIN bis.tbl_bisio_zweck zw USING (bisio_id)
+			WHERE
+				(zw.zweck_code IS NULL OR zw.zweck_code = '')
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -18,11 +18,12 @@ class NationNichtOesterreichAberGemeinde extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$personRes = $this->getNationNichtOesterreichAberGemeinde(
 			$studiengang_kz,
-			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -0,0 +1,149 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class OrgformBewerberUngleichOrgformStudent extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->getOrgformBewerberUngleichOrgformStudent(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id,
+						'studiensemester_kurzbz' => $prestudent->studiensemester_kurzbz,
+						'bewerber_studiensemester_kurzbz' => $prestudent->bewerber_studiensemester_kurzbz
+					),
+					'resolution_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id,
+						'studiensemester_kurzbz' => $prestudent->studiensemester_kurzbz
+					)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Orgform of Bewerber should be same as of student (Orgform of Status AND Studienplan)
+	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	public function getOrgformBewerberUngleichOrgformStudent(
+		$studiensemester_kurzbz,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent.prestudent_id) prestudent.person_id, prestudent.prestudent_id, students.studiensemester_kurzbz,
+				bewerber_status.studiensemester_kurzbz AS bewerber_studiensemester_kurzbz, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent prestudent
+				JOIN public.tbl_prestudentstatus bewerber_status
+					ON prestudent.prestudent_id = bewerber_status.prestudent_id AND bewerber_status.status_kurzbz = 'Bewerber'
+				JOIN lehre.tbl_studienplan bewerber_studienplan ON bewerber_status.studienplan_id = bewerber_studienplan.studienplan_id
+				JOIN (
+					SELECT
+						DISTINCT ON (prestudent_id) prestudent_id, st.studiensemester_kurzbz,
+						pl.orgform_kurzbz AS studienplan_orgform_kurzbz
+					FROM
+						public.tbl_prestudentstatus st
+						JOIN lehre.tbl_studienplan pl USING (studienplan_id)
+					WHERE
+						status_kurzbz = 'Student'
+					ORDER BY
+						st.prestudent_id, st.datum, st.insertamum, st.ext_id
+				) students ON prestudent.prestudent_id = students.prestudent_id
+				JOIN public.tbl_studiengang stg ON prestudent.studiengang_kz = stg.studiengang_kz
+			WHERE
+				prestudent.bismelden
+				AND stg.melderelevant
+				AND bewerber_studienplan.orgform_kurzbz <> students.studienplan_orgform_kurzbz";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+			$prevStudiensemesterRes = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+
+			if (isError($prevStudiensemesterRes)) return $prevStudiensemesterRes;
+
+			$semesterArr = array($studiensemester_kurzbz);
+
+			if (hasData($prevStudiensemesterRes))
+			{
+				// if Studiensemester given, check only if has status in current or previous semester
+				$semesterArr[] = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
+			}
+
+			$qry .= " AND EXISTS (
+						SELECT 1
+						FROM public.tbl_prestudentstatus ps
+						WHERE studiensemester_kurzbz IN ?
+						AND ps.prestudent_id = prestudent.prestudent_id
+					)";
+
+			$params[] = $semesterArr;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND studiengang.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND prestudent.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,12 +19,14 @@ class OrgformStgUngleichOrgformPrestudent extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getOrgformStgUngleichOrgformPrestudent(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -70,6 +72,7 @@ class OrgformStgUngleichOrgformPrestudent extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -116,6 +119,12 @@ class OrgformStgUngleichOrgformPrestudent extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -0,0 +1,129 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class OutgoingAngerechneteEctsFehlenPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getAngerechneteEctsFehlen(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Outgoing should have angerechnete ECTS.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param person_id int if check is to be executed only for one person
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getAngerechneteEctsFehlen(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+			WHERE
+				bisio.bis IS NOT NULL
+				AND bisio.bis::date <= NOW()
+				AND bisio.bis::date - bisio.von::date >= 29
+				AND bisio.ects_angerechnet IS NULL
+				AND NOT EXISTS (SELECT 1 FROM public.tbl_prestudentstatus WHERE status_kurzbz = 'Incoming' AND prestudent_id = pre.prestudent_id)
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,128 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class OutgoingAufenthaltfoerderungfehltPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getAufenthaltsfoerderungFehlt(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Student with mobility should have Aufenthaltsfoerderung.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getAufenthaltsfoerderungFehlt(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+				LEFT JOIN bis.tbl_bisio_aufenthaltfoerderung foerd USING (bisio_id)
+			WHERE
+				bisio.bis IS NOT NULL
+				AND bisio.bis::date - bisio.von::date >= 29
+				AND foerd.aufenthaltfoerderung_code IS NULL
+				AND NOT EXISTS (SELECT 1 FROM public.tbl_prestudentstatus WHERE status_kurzbz = 'Incoming' AND prestudent_id = pre.prestudent_id)
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,128 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class OutgoingErworbeneEctsFehlenPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getAngerechneteEctsFehlen(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('bisio_id' => $prestudent->bisio_id),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Outgoing should have erworbene ECTS.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getAngerechneteEctsFehlen(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz,
+				stg.studiengang_kz, bisio.bisio_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+			WHERE
+				bisio.bis IS NOT NULL
+				AND bisio.bis::date <= NOW()
+				AND bisio.bis::date - bisio.von::date >= 29
+				AND bisio.ects_erworben IS NULL
+				AND NOT EXISTS (SELECT 1 FROM public.tbl_prestudentstatus WHERE status_kurzbz = 'Incoming' AND prestudent_id = pre.prestudent_id)
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND bisio.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -5,11 +5,13 @@
 */
 abstract class PlausiChecker
 {
+	const ISSUE_ID_NAME = 'issue_id';
+
 	protected $_ci; // code igniter instance
 	protected $_config; // all applicable configuration parameters for this plausicheck
 	protected $_db; // database for queries

-	protected $_isForResolutionCheck; // if true, additional parameters only needed for resolution are checked
+	protected $_base_sql = ''; // base sql string

 	protected $_config_params = []; // name of all config params which should be applied for this plausicheck, with sql [name] => [sql]
 	protected $_params_for_checking = []; // name of all passed params for checking, with sql [name] => [sql]
@@ -24,8 +26,6 @@ abstract class PlausiChecker
 		// set configuration
 		$this->_config = $params['configurationParams'] ?? [];

-		$this->_isForResolutionCheck = $params['isForResolutionCheck'] ?? false;
-
 		// get database for queries
 		$this->_db = new DB_Model();
 	}
@@ -41,15 +41,20 @@ abstract class PlausiChecker
 		$params = [];
 		$qry = $this->_base_sql;

-		if ($this->_isForResolutionCheck == true)
+		// if issue id is set, issue is resolving - check if behebung parameter are present
+		if (isset($paramsForChecking[self::ISSUE_ID_NAME]))
 		{
 			foreach ($this->_resolution_params as $resParam)
 			{
 				if (!isset($paramsForChecking[$resParam]))
-					return error("$resParam missing".(isset($paramsForChecking['issue_id']) ? ", issue ID: ".$paramsForChecking['issue_id'] : ""));
+					return error("$resParam missing"
+						.(isset($paramsForChecking[self::ISSUE_ID_NAME]) ? ", issue ID: ".$paramsForChecking[self::ISSUE_ID_NAME] : ""));
 			}
 		}

+		// get fehlertext and resolution params
+
+
 		// add config params to query
 		if (isset($this->_config_params) && !isEmptyArray($this->_config_params))
 		{
@@ -19,12 +19,14 @@ class PrestudentMischformOhneOrgform extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getPrestudentMischformOhneOrgform(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -68,6 +70,7 @@ class PrestudentMischformOhneOrgform extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -98,6 +101,12 @@ class PrestudentMischformOhneOrgform extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -0,0 +1,152 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class StartsemesterUngleichPersonenkennzeichen extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->getStartsemesterUngleichPersonenkennzeichen(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id
+					),
+					'resolution_params' => array(
+						'prestudent_id' => $prestudent->prestudent_id
+					)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Bewerber should have participated in Reihungstest.
+	 * @param studiensemester_kurzbz string check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	public function getStartsemesterUngleichPersonenkennzeichen(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+				SELECT
+					prestudent.person_id, prestudent.prestudent_id,
+					stg.studiengang_kz, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+				FROM
+					public.tbl_prestudent prestudent
+					JOIN public.tbl_studiengang stg USING (studiengang_kz)
+					JOIN public.tbl_student stud USING (prestudent_id)
+				WHERE
+					stg.melderelevant
+					AND prestudent.bismelden
+					AND
+					(
+						SELECT
+							substring(studiensemester_kurzbz, 5, 2)::integer -
+							(CASE
+								WHEN
+									substring(studiensemester_kurzbz, 1, 2) = 'SS'
+								THEN
+									1
+								ELSE
+									0
+							END)::integer
+						FROM
+							public.tbl_prestudentstatus
+						WHERE
+							prestudent_id = prestudent.prestudent_id
+							AND status_kurzbz = 'Student'
+						ORDER BY
+							datum, insertamum, ext_id
+						LIMIT 1
+					) <> substring(stud.matrikelnr, 1, 2)::integer";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+			$prevStudiensemesterRes = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+
+			if (isError($prevStudiensemesterRes)) return $prevStudiensemesterRes;
+
+			$semesterArr = array($studiensemester_kurzbz);
+
+			if (hasData($prevStudiensemesterRes))
+			{
+				// if Studiensemester given, check only if has status in current or previous semester
+				$semesterArr[] = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
+			}
+
+			$qry .= " AND EXISTS (
+						SELECT 1
+						FROM public.tbl_prestudentstatus ps
+						WHERE studiensemester_kurzbz IN ?
+						AND ps.prestudent_id = prestudent.prestudent_id
+					)";
+
+			$params[] = $semesterArr;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -18,9 +18,10 @@ class StgPrestudentUngleichStgStudent extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getStgPrestudentUngleichStgStudent($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStgPrestudentUngleichStgStudent($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -51,7 +52,7 @@ class StgPrestudentUngleichStgStudent extends PlausiChecker
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getStgPrestudentUngleichStgStudent($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getStgPrestudentUngleichStgStudent($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -79,6 +80,12 @@ class StgPrestudentUngleichStgStudent extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -18,9 +18,10 @@ class StgPrestudentUngleichStgStudienplan extends PlausiChecker

 		// pass parameters needed for plausicheck
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getStgPrestudentUngleichStgStudienplan($studiengang_kz, null, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStgPrestudentUngleichStgStudienplan($studiengang_kz, null, null, $person_id, $exkludierte_studiengang_kz);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -56,6 +57,7 @@ class StgPrestudentUngleichStgStudienplan extends PlausiChecker
 		$studiengang_kz = null,
 		$prestudent_id = null,
 		$studienordnung_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array();
@@ -93,6 +95,12 @@ class StgPrestudentUngleichStgStudienplan extends PlausiChecker
 			$params[] = $studienordnung_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -17,10 +17,18 @@ class StudentstatusNachAbbrecher extends PlausiChecker
 		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;

 		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
-		$prestudentRes = $this->getStudentstatusNachAbbrecher($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStudentstatusNachAbbrecher(
+			$studiensemester_kurzbz = null,
+			$studiengang_kz,
+			null,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);

 		if (isError($prestudentRes)) return $prestudentRes;

@@ -46,12 +54,13 @@ class StudentstatusNachAbbrecher extends PlausiChecker

 	/**
 	 * There shouldn't be any status after Abbrecher status.
+	 * @param studiensemester_kurzbz int if check is to be executed for certain Studiensemester
 	 * @param studiengang_kz int if check is to be executed for certain Studiengang
 	 * @param prestudent_id int if check is to be executed only for one prestudent
 	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
 	 * @return success with prestudents or error
 	 */
-	public function getStudentstatusNachAbbrecher($studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	public function getStudentstatusNachAbbrecher($studiensemester_kurzbz = null, $studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -67,6 +76,18 @@ class StudentstatusNachAbbrecher extends PlausiChecker
 				prestatus.status_kurzbz = 'Abbrecher'
 				AND get_rolle_prestudent(prestudent.prestudent_id, prestatus.studiensemester_kurzbz) <> 'Abbrecher'";

+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND EXISTS (
+						SELECT 1
+						FROM public.tbl_prestudentstatus ps
+						WHERE studiensemester_kurzbz IN ?
+						AND ps.prestudent_id = prestudent.prestudent_id
+					)";
+
+			$params[] = [$studiensemester_kurzbz];
+		}
+
 		if (isset($studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz = ?";
@@ -79,6 +100,12 @@ class StudentstatusNachAbbrecher extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND prestudent.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -0,0 +1,113 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class StudentstatusNachDiplomand extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->getStudentstatusNachDiplomand($studiensemester_kurzbz, $studiengang_kz, $prestudent_id, $exkludierte_studiengang_kz);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * There shouldn't be any student status after Diplomand status.
+	 * @param studiensemester_kurzbz int if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	public function getStudentstatusNachDiplomand($studiensemester_kurzbz = null, $studiengang_kz = null, $prestudent_id = null, $exkludierte_studiengang_kz = null)
+	{
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT prestudent.person_id, prestudent.prestudent_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_student student
+				JOIN public.tbl_prestudent prestudent USING(prestudent_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON prestudent.studiengang_kz = stg.studiengang_kz
+			WHERE
+				status.status_kurzbz = 'Diplomand'
+				AND EXISTS (
+					SELECT 1
+					FROM
+						public.tbl_prestudentstatus
+					WHERE
+						prestudent_id = prestudent.prestudent_id
+						AND status_kurzbz = 'Student'
+						AND datum::date > status.datum::date
+				)";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND EXISTS (
+						SELECT 1
+						FROM public.tbl_prestudentstatus ps
+						WHERE studiensemester_kurzbz IN ?
+						AND ps.prestudent_id = prestudent.prestudent_id
+					)";
+
+			$params[] = [$studiensemester_kurzbz];
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND prestudent.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -19,12 +19,14 @@ class StudienplanUngueltig extends PlausiChecker
 		// pass parameters needed for plausicheck
 		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
 		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;

 		// get all students failing the plausicheck
 		$prestudentRes = $this->getStudienplanUngueltig(
 			$studiensemester_kurzbz,
 			$studiengang_kz,
 			null,
+			$person_id,
 			$exkludierte_studiengang_kz
 		);

@@ -69,6 +71,7 @@ class StudienplanUngueltig extends PlausiChecker
 		$studiensemester_kurzbz,
 		$studiengang_kz = null,
 		$prestudent_id = null,
+		$person_id = null,
 		$exkludierte_studiengang_kz = null
 	) {
 		$params = array($studiensemester_kurzbz);
@@ -115,6 +118,12 @@ class StudienplanUngueltig extends PlausiChecker
 			$params[] = $prestudent_id;
 		}

+		if (isset($person_id))
+		{
+			$qry .= " AND tbl_person.person_id = ?";
+			$params[] = $person_id;
+		}
+
 		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
 		{
 			$qry .= " AND stg.studiengang_kz NOT IN ?";
@@ -0,0 +1,112 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class UhstatPersonkennungFehltCore extends PlausiChecker
+{
+	const PERSONKENNUNG_KENNZEICHEN_TYPEN = ['vbpkAs', 'vbpkBf'];
+
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getUhstatPersonkennungFehlt(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id
+					//'fehlertext_params' => array('person_id' => $prestudent->person_id),
+					//'resolution_params' => array('person_id' => $prestudent->person_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Student should have Personenkennung for UHSTAT reporting.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getUhstatPersonkennungFehlt(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (person_id) prestudent_id, person_id
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person pers USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				stg.melderelevant
+				AND pre.bismelden
+				AND EXISTS (SELECT 1 FROM bis.tbl_uhstat1daten WHERE person_id = pers.person_id)
+				AND (SELECT COUNT (DISTINCT kennzeichentyp_kurzbz) FROM public.tbl_kennzeichen WHERE person_id = pers.person_id AND kennzeichentyp_kurzbz IN ('vbpkAs', 'vbpkBf')) < 2
+				AND pers.ersatzkennzeichen IS NULL";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,135 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvDatumInZukunft extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvDatumInZukunft(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV date should be in the past.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvDatumInZukunft(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvdatum::date > NOW()
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+			//~ $prevStudiensemesterRes = $this->_ci->StudiensemesterModel->getPreviousFrom($studiensemester_kurzbz);
+
+			//~ if (isError($prevStudiensemesterRes)) return $prevStudiensemesterRes;
+
+			//~ if (hasData($prevStudiensemesterRes))
+			//~ {
+				//~ // if Studiensemester given, check only if has status in current or previous semester
+				//~ $prevStudiensemester = getData($prevStudiensemesterRes)[0]->studiensemester_kurzbz;
+				//~ $qry .= " AND EXISTS (
+							//~ SELECT 1
+							//~ FROM public.tbl_prestudentstatus ps
+							//~ WHERE studiensemester_kurzbz IN (?, ?)
+							//~ AND ps.prestudent_id = pre.prestudent_id
+						//~ )";
+				//~ $params[] = $prevStudiensemester;
+				//~ $params[] = $studiensemester_kurzbz;
+			//~ }
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvDatumVorGeburtsdatum extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvDatumVorGeburtsdatum(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * Zgv date should be after birthdate.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvDatumVorGeburtsdatum(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person pers USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvdatum::date < pers.gebdatum
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pers.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvMasterDatumInZukunft extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvMasterDatumInZukunft(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV master date should be in the past.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvMasterDatumInZukunft(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvmadatum::date > NOW()
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvMasterDatumVorGeburtsdatum extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvMasterDatumVorGeburtsdatum(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV master date should be after birthdate.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvMasterDatumVorGeburtsdatum(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person pers USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvmadatum::date < pers.gebdatum
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,118 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZgvMasterDatumVorZgvdatum extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$prestudent_id = isset($params['prestudent_id']) ? $params['prestudent_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getZgvMasterDatumVorZgvDatum(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$prestudent_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					//'fehlertext_params' => array('prestudent_id' => $prestudent->prestudent_id),
+					'resolution_params' => array('prestudent_id' => $prestudent->prestudent_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * ZGV master date should be before ZGV date.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param prestudent_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getZgvMasterDatumVorZgvDatum(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$prestudent_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+		$params = array();
+
+		$qry = "
+			SELECT
+				DISTINCT ON (prestudent_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+			WHERE
+				pre.zgvmadatum::date < pre.zgvdatum::date
+				AND stg.melderelevant
+				AND pre.bismelden";
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$qry .= " AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($prestudent_id))
+		{
+			$qry .= " AND pre.prestudent_id = ?";
+			$params[] = $prestudent_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND pre.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND stg.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -0,0 +1,129 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('PlausiChecker.php');
+
+/**
+ *
+ */
+class ZuVieleZweckeIncomingPlausi extends PlausiChecker
+{
+	public function executePlausiCheck($params)
+	{
+		$results = array();
+
+		// get parameters from config
+		$exkludierte_studiengang_kz = isset($this->_config['exkludierteStudiengaenge']) ? $this->_config['exkludierteStudiengaenge'] : null;
+
+		// pass parameters needed for plausicheck
+		$studiensemester_kurzbz = isset($params['studiensemester_kurzbz']) ? $params['studiensemester_kurzbz'] : null;
+		$studiengang_kz = isset($params['studiengang_kz']) ? $params['studiengang_kz'] : null;
+		$bisio_id = isset($params['bisio_id']) ? $params['bisio_id'] : null;
+		$person_id = isset($params['person_id']) ? $params['person_id'] : null;
+
+		// get all students failing the plausicheck
+		$prestudentRes = $this->_getFalscherIncomingZweck(
+			$studiensemester_kurzbz,
+			$studiengang_kz,
+			$bisio_id,
+			$person_id,
+			$exkludierte_studiengang_kz
+		);
+
+		if (isError($prestudentRes)) return $prestudentRes;
+
+		if (hasData($prestudentRes))
+		{
+			$prestudents = getData($prestudentRes);
+
+			// populate results with data necessary for writing issues
+			foreach ($prestudents as $prestudent)
+			{
+				$results[] = array(
+					'person_id' => $prestudent->person_id,
+					'oe_kurzbz' => $prestudent->prestudent_stg_oe_kurzbz,
+					'fehlertext_params' => array('anzahl' => $prestudent->anzahl),
+					'resolution_params' => array('bisio_id' => $prestudent->bisio_id)
+				);
+			}
+		}
+
+		// return the results
+		return success($results);
+	}
+
+	/**
+	 * There should be exactly one Incoming Zweck.
+	 * @param studiensemester_kurzbz string if check is to be executed for certain Studiensemester
+	 * @param studiengang_kz int if check is to be executed for certain Studiengang
+	 * @param bisio_id int if check is to be executed only for one prestudent
+	 * @param exkludierte_studiengang_kz array if certain Studiengänge have to be excluded from check
+	 * @return success with prestudents or error
+	 */
+	private function _getFalscherIncomingZweck(
+		$studiensemester_kurzbz = null,
+		$studiengang_kz = null,
+		$bisio_id = null,
+		$person_id = null,
+		$exkludierte_studiengang_kz = null
+	) {
+
+		$params = array();
+		$studiensemester_clause = '';
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$studiensemester_clause = "AND status.studiensemester_kurzbz = ?";
+			$params[] = $studiensemester_kurzbz;
+		}
+
+		$qry = "
+		SELECT * FROM (
+			SELECT
+				DISTINCT ON (bisio_id) prestudent_id, person_id, stg.oe_kurzbz AS prestudent_stg_oe_kurzbz, stg.studiengang_kz,
+				bisio.bisio_id, (SELECT count(*) FROM bis.tbl_bisio_zweck WHERE bisio_id = bisio.bisio_id) AS anzahl
+			FROM
+				public.tbl_prestudent pre
+				JOIN public.tbl_student stud USING (prestudent_id)
+				JOIN public.tbl_person USING(person_id)
+				JOIN public.tbl_prestudentstatus status USING(prestudent_id)
+				JOIN public.tbl_studiensemester sem ON status.studiensemester_kurzbz = sem.studiensemester_kurzbz
+				JOIN public.tbl_studiengang stg ON pre.studiengang_kz = stg.studiengang_kz
+				JOIN bis.tbl_bisio bisio ON stud.student_uid = bisio.student_uid
+			WHERE
+				stg.melderelevant
+				AND pre.bismelden
+				AND status.status_kurzbz = 'Incoming'
+				AND bisio.von::date < sem.ende AND bisio.bis::date > sem.start
+				{$studiensemester_clause}
+		) zwecke
+		WHERE anzahl > 1";
+
+		if (isset($studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz = ?";
+			$params[] = $studiengang_kz;
+		}
+
+		if (isset($bisio_id))
+		{
+			$qry .= " AND zwecke.bisio_id = ?";
+			$params[] = $bisio_id;
+		}
+
+		if (isset($person_id))
+		{
+			$qry .= " AND zwecke.person_id = ?";
+			$params[] = $person_id;
+		}
+
+		if (isset($exkludierte_studiengang_kz) && !isEmptyArray($exkludierte_studiengang_kz))
+		{
+			$qry .= " AND zwecke.studiengang_kz NOT IN ?";
+			$params[] = $exkludierte_studiengang_kz;
+		}
+
+		return $this->_db->execReadOnlyQuery($qry, $params);
+	}
+}
@@ -1,5 +1,7 @@
 <?php

+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
 /**
 * More than one Zweck for incoming
 */
@@ -16,7 +16,7 @@ class CORE_INOUT_0005 implements IIssueResolvedChecker

 		$this->_ci->load->model('codex/Bisio_model', 'BisioModel');

-		// get all Zwecke
+		// get bisio
 		$this->_ci->BisioModel->addSelect('ects_angerechnet');
 		$bisioRes = $this->_ci->BisioModel->loadWhere(array('bisio_id' => $params['bisio_id']));

@@ -1,36 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-/**
- * Geburtsnation missing
- */
-class CORE_PERSON_0005 implements IIssueResolvedChecker
-{
-	public function checkIfIssueIsResolved($params)
-	{
-		if (!isset($params['issue_person_id']) || !is_numeric($params['issue_person_id']))
-			return error('Person Id missing, issue_id: '.$params['issue_id']);
-
-		$this->_ci =& get_instance(); // get code igniter instance
-
-		$this->_ci->load->model('person/Person_model', 'PersonModel');
-
-		// load geburtsnation for the given person
-		$this->_ci->PersonModel->addSelect('geburtsnation');
-		$personRes = $this->_ci->PersonModel->load($params['issue_person_id']);
-
-		if (isError($personRes)) return $personRes;
-
-		if (hasData($personRes))
-		{
-			// get person data
-			$personData = getData($personRes)[0];
-
-			// if geburtsnation present, issue is resolved
-			return success(!isEmptyString($personData->geburtsnation));
-		}
-		else
-			return success(false); // if no person found, not resolved
-	}
-}
@@ -12,16 +12,13 @@ class CORE_STUDENTSTATUS_0004 implements IIssueResolvedChecker
 		if (!isset($params['prestudent_id']) || !is_numeric($params['prestudent_id']))
 			return error('Prestudent Id missing, issue_id: '.$params['issue_id']);

-		if (!isset($params['studiensemester_kurzbz']) || isEmptyString($params['studiensemester_kurzbz']))
-			return error('Studiensemester missing, issue_id: '.$params['issue_id']);
-
 		$this->_ci =& get_instance(); // get code igniter instance

 		$this->_ci->load->library('issues/plausichecks/InaktiverStudentAktiverStatus');

 		// check if issue persists
 		$checkRes = $this->_ci->inaktiverstudentaktiverstatus->getInaktiverStudentAktiverStatus(
-			$params['studiensemester_kurzbz'],
+			null,
 			null,
 			$params['prestudent_id']
 		);
@@ -40,7 +40,9 @@ abstract class AbstractBestandteil implements IValidation
 		
 		if( is_bool($new_value) && ($old_value !== $new_value) ) {
 			$this->modifiedcolumns[$columnname] = $columnname;
-		} else if($old_value != $new_value) {		
+		} else if(is_null($old_value) xor is_null($new_value)) {
+			$this->modifiedcolumns[$columnname] = $columnname;
+		} else if($old_value != $new_value) {
 			$this->modifiedcolumns[$columnname] = $columnname;
 		}
 	}
@@ -3,6 +3,7 @@ namespace vertragsbestandteil;

 use Exception;
 use vertragsbestandteil\VertragsbestandteilStunden;
+use vertragsbestandteil\VertragsbestandteilLohnguide;

 /**
 * Description of VertragsbestandteilFactory
@@ -22,6 +23,7 @@ class VertragsbestandteilFactory
 	const VERTRAGSBESTANDTEIL_URLAUBSANSPRUCH = 'urlaubsanspruch';
 	const VERTRAGSBESTANDTEIL_ZEITAUFZEICHNUNG = 'zeitaufzeichnung';
 	const VERTRAGSBESTANDTEIL_LEHRE = 'lehre';
+	const VERTRAGSBESTANDTEIL_LOHNGUIDE = 'lohnguide';
 	
 	public static function getVertragsbestandteil($data, $fromdb=false)
 	{
@@ -69,6 +71,11 @@ class VertragsbestandteilFactory
 				$vertragsbestandteil = new VertragsbestandteilZeitaufzeichnung();
 				$vertragsbestandteil->hydrateByStdClass($data, $fromdb);
 				break;
+
+			case self::VERTRAGSBESTANDTEIL_LOHNGUIDE:
+				$vertragsbestandteil = new VertragsbestandteilLohnguide();
+				$vertragsbestandteil->hydrateByStdClass($data, $fromdb);
+				break;
 			
 			default:
 				throw new Exception('Unknown vertragsbestandteiltyp_kurzbz ' 
@@ -127,6 +134,12 @@ class VertragsbestandteilFactory
 				$vertragsbestandteildbmodel = $CI->VertragsbestandteilZeitaufzeichnung_model;
 				break;

+			case self::VERTRAGSBESTANDTEIL_LOHNGUIDE:
+				$CI->load->model('vertragsbestandteil/VertragsbestandteilLohnguide_model',
+					'VertragsbestandteilLohnguide_model');
+				$vertragsbestandteildbmodel = $CI->VertragsbestandteilLohnguide_model;
+				break;
+
 			default:
 				throw new Exception('Unknown vertragsbestandteil_kurzbz '
 					. $vertragsbestandteil_kurzbz);
@@ -10,6 +10,7 @@ require_once __DIR__ . '/VertragsbestandteilKuendigungsfrist.php';
 require_once __DIR__ . '/VertragsbestandteilUrlaubsanspruch.php';
 require_once __DIR__ . '/VertragsbestandteilFreitext.php';
 require_once __DIR__ . '/VertragsbestandteilKarenz.php';
+require_once __DIR__ . '/VertragsbestandteilLohnguide.php';
 require_once __DIR__ . '/VertragsbestandteilFactory.php';
 require_once __DIR__ . '/OverlapChecker.php';

@@ -0,0 +1,161 @@
+<?php
+namespace vertragsbestandteil;
+
+use vertragsbestandteil\Vertragsbestandteil;
+use vertragsbestandteil\VertragsbestandteilFactory;
+
+class VertragsbestandteilLohnguide extends Vertragsbestandteil
+{
+	protected $stellenbezeichnung;
+	protected $vordienstzeit;
+	protected $fachrichtung_kurzbz;
+	protected $modellstelle_kurzbz;
+	protected $kommentar_person;
+	protected $kommentar_modellstelle;
+
+
+	public function __construct()
+	{
+		parent::__construct();
+		$this->setVertragsbestandteiltyp_kurzbz(
+			VertragsbestandteilFactory::VERTRAGSBESTANDTEIL_LOHNGUIDE);
+	}
+
+	public function getStellenbezeichnung()
+	{
+		return $this->stellenbezeichnung;
+	}
+
+	public function setStellenbezeichnung($stellenbezeichnung): self
+	{
+		$this->markDirty('stellenbezeichnung', $this->stellenbezeichnung, $stellenbezeichnung);
+		$this->stellenbezeichnung = $stellenbezeichnung;
+		return $this;
+	}
+
+	public function getVordienstzeit()
+	{
+		return $this->vordienstzeit;
+	}
+
+	public function setVordienstzeit($vordienstzeit): self
+	{
+		$this->markDirty('vordienstzeit', $this->vordienstzeit, $vordienstzeit);
+		$this->vordienstzeit = $vordienstzeit;
+		return $this;
+	}
+
+	public function getFachrichtung_kurzbz()
+	{
+		return $this->fachrichtung_kurzbz;
+	}
+
+	public function setFachrichtung_kurzbz($fachrichtung_kurzbz): self
+	{
+		$this->markDirty('fachrichtung_kurzbz', $this->fachrichtung_kurzbz, $fachrichtung_kurzbz);
+		$this->fachrichtung_kurzbz = $fachrichtung_kurzbz;
+		return $this;
+	}
+
+	public function getModellstelle_kurzbz()
+	{
+		return $this->modellstelle_kurzbz;
+	}
+
+	public function setModellstelle_kurzbz($modellstelle_kurzbz): self
+	{
+		$this->markDirty('modellstelle_kurzbz', $this->modellstelle_kurzbz, $modellstelle_kurzbz);
+		$this->modellstelle_kurzbz = $modellstelle_kurzbz;
+		return $this;
+	}
+
+	public function getKommentar_person()
+	{
+		return $this->kommentar_person;
+	}
+
+	public function setKommentar_person($kommentar_person): self
+	{
+		$this->markDirty('kommentar_person', $this->kommentar_person, $kommentar_person);
+		$this->kommentar_person = $kommentar_person;
+		return $this;
+	}
+
+	public function getKommentar_modellstelle()
+	{
+		return $this->kommentar_modellstelle;
+	}
+
+	public function setKommentar_modellstelle($kommentar_modellstelle): self
+	{
+		$this->markDirty('kommentar_modellstelle', $this->kommentar_modellstelle, $kommentar_modellstelle);
+		$this->kommentar_modellstelle = $kommentar_modellstelle;
+		return $this;
+	}
+
+	
+	
+	
+	public function hydrateByStdClass($data, $fromdb=false)
+	{
+		parent::hydrateByStdClass($data, $fromdb);
+		$this->fromdb = $fromdb;
+		isset($data->fachrichtung_kurzbz) && $this->setFachrichtung_kurzbz($data->fachrichtung_kurzbz);
+		isset($data->stellenbezeichnung) && $this->setStellenbezeichnung($data->stellenbezeichnung);
+		isset($data->vordienstzeit) && $this->setVordienstzeit($data->vordienstzeit);
+		isset($data->modellstelle_kurzbz) && $this->setModellstelle_kurzbz($data->modellstelle_kurzbz);
+		isset($data->kommentar_person) && $this->setKommentar_person($data->kommentar_person);
+		isset($data->kommentar_modellstelle) && $this->setKommentar_modellstelle($data->kommentar_modellstelle);
+		$this->fromdb = false;
+	}
+	
+	public function toStdClass(): \stdClass
+	{
+		$tmp = array(
+			'vertragsbestandteil_id' => $this->getVertragsbestandteil_id(),
+			'stellenbezeichnung' => $this->getStellenbezeichnung(),
+			'vordienstzeit' => $this->getVordienstzeit(),
+			'fachrichtung_kurzbz' => $this->getFachrichtung_kurzbz(),
+			'modellstelle_kurzbz' => $this->getModellstelle_kurzbz(),
+			'kommentar_person' => $this->getKommentar_person(),
+			'kommentar_modellstelle' => $this->getKommentar_modellstelle(),
+		);
+		
+		$tmp = array_filter($tmp, function($k) {
+			return in_array($k, $this->modifiedcolumns);
+		},  ARRAY_FILTER_USE_KEY);
+		
+		return (object) $tmp;
+	}
+	
+	public function __toString() 
+	{
+		$txt = <<<EOTXT
+		modellstelle_kurzbz: {$this->getModellstelle_kurzbz()}
+
+EOTXT;
+		return parent::__toString() . $txt;
+	}
+
+	public function validate()
+	{
+		$value = $this->vordienstzeit;
+
+		if ($value === null || $value === '') {
+			$result = null;   // allow null value 
+		} else {
+			$result = filter_var($value, FILTER_VALIDATE_INT, [
+				'options' => [
+					'min_range' => 0,
+					'max_range' => 100
+				]
+			]);
+
+			if ($result === false) {				
+				$this->validationerrors[] = 'Vordienstjahre muss eine ganze Zahl (0 bis 100) enthalten oder leer sein.';
+			}
+		}
+		
+		return parent::validate();
+	} 
+}
@@ -11,57 +11,4 @@ class Dashboard_Preset_model extends DB_Model
 		$this->dbTable = 'dashboard.tbl_dashboard_preset';
 		$this->pk = 'preset_id';
 	}
-
-	/**
-	 * Get Presets of given uid.
-	 * @param integer dashboard_id
-	 * @param string $uid
-	 * @return array
-	 */
-	public function getPresets($dashboard_id, $uid)
-	{
-		// TODO: get Funktionen for uid and load all preset for all funktionen for uid
-		//return $this->loadWhere(array('dashboard_id' => $dashboard_id, 'funktion_kurzbz'=> null));
-		$sql = <<<EOSQL
-			SELECT 
-				* 
-			FROM 
-				dashboard.tbl_dashboard_preset 
-			WHERE 
-				dashboard_id = ? 
-			AND (
-					funktion_kurzbz IN (
-						SELECT 
-							DISTINCT funktion_kurzbz 
-						FROM 
-							public.tbl_benutzerfunktion 
-						WHERE 
-							uid = ? 
-						AND 
-							NOW()::date 
-						BETWEEN 
-							COALESCE(datum_von, '1970-01-01') 
-						AND 
-							COALESCE(datum_bis, '2170-12-31')
-					) 
-					OR 
-						funktion_kurzbz IS NULL
-				) 
-			ORDER BY 
-				funktion_kurzbz DESC
-EOSQL;
-		
-		return $this->execQuery($sql, array($dashboard_id, $uid));
-	}
-	
-	/**
-	 * Get Preset by Dashboard and Funktion
-	 * @param integer dashboard_id
-	 * @param string funktion_kurzbz
-	 * @return array
-	 */
-	public function getPresetByDashboardAndFunktion($dashboard_id, $funktion_kurzbz)
-	{
-		return $this->loadWhere(array('dashboard_id' => $dashboard_id, 'funktion_kurzbz' => $funktion_kurzbz));
-	}
 }
@@ -402,14 +402,17 @@ class Lehrveranstaltung_model extends DB_Model
 			SELECT
 				vorname, nachname, mitarbeiter_uid, lehrfunktion_kurzbz
 			FROM
-				lehre.tbl_lehreinheit
+				lehre.tbl_lehreinheit le
 				JOIN lehre.tbl_lehreinheitmitarbeiter lema USING (lehreinheit_id)
 				JOIN public.tbl_benutzer b ON b.uid = lema.mitarbeiter_uid
 				JOIN public.tbl_person p using (person_id) 
 			WHERE
-				tbl_lehreinheit.lehrveranstaltung_id= ?
-				AND tbl_lehreinheit.studiensemester_kurzbz = ?
+				le.lehrveranstaltung_id= ?
+				AND le.studiensemester_kurzbz = ?
 				AND lehrfunktion_kurzbz = 'LV-Leitung'
+				AND lema.mitarbeiter_uid NOT like '_Dummy%' 
+			  	AND b.aktiv = TRUE 
+			  	AND p.aktiv = TRUE
            ORDER BY 
                lema.insertamum DESC
 			LIMIT 1
@@ -79,10 +79,10 @@ class Paabgabe_model extends DB_Model
 				 JOIN public.tbl_benutzer ON (public.tbl_benutzer.uid = student_uid)
 				 JOIN public.tbl_person USING (person_id)
 		
-		WHERE (campus.tbl_paabgabe.insertamum >= NOW() - INTERVAL ?
-		   OR campus.tbl_paabgabe.updateamum >= NOW() - INTERVAL ?)
-		   AND campus.tbl_paabgabe.paabgabetyp_kurzbz IN ?";
-
+		WHERE (campus.tbl_paabgabe.insertamum::date = CURRENT_DATE - INTERVAL ?
+			OR campus.tbl_paabgabe.updateamum::date = CURRENT_DATE - INTERVAL ?)
+			AND campus.tbl_paabgabe.paabgabetyp_kurzbz IN ?";
+		
 		return $this->execQuery($query, [$interval, $interval, $relevantTypes]);
 	}

@@ -108,7 +108,7 @@ class Paabgabe_model extends DB_Model
 						 JOIN public.tbl_person ON (public.tbl_benutzer.person_id = public.tbl_person.person_id)
 				
 				WHERE campus.tbl_paabgabe.abgabedatum IS NOT NULL 
-				AND campus.tbl_paabgabe.abgabedatum >= NOW() - INTERVAL ?";
+				AND campus.tbl_paabgabe.abgabedatum = CURRENT_DATE - INTERVAL ?";
 		
 		if($relevantTypes !== null) {
 			$query .= " AND campus.tbl_paabgabe.paabgabetyp_kurzbz IN ?";
--- a/Show More
+++ b/Show More