Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features

Merge branch 'feature-70376/Lohnguide'
handle case where old value or new value and not both are null explicitly in markDirty Method
2026-06-01 20:29:29 +00:00 · 2026-05-26 13:30:13 +02:00 · 2026-05-13 11:53:14 +02:00 · 2026-05-13 11:42:25 +02:00 · 2026-05-13 11:16:18 +02:00 · 2026-05-13 11:15:07 +02:00
97 changed files with 4463 additions and 654 deletions
@@ -0,0 +1,448 @@
+<?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_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
+	)
+);
@@ -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'
+	//);
+}
@@ -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);
+		}
+	}
 }
@@ -5,58 +5,46 @@
 */
 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_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)
 		);

@@ -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");
@@ -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);
 			}
@@ -9,48 +9,40 @@ 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',
+	private $_fehlerKurzbz = array(
+		'AbbrecherAktiv',
+		'AbschlussstatusFehlt',
+		'AktSemesterNull',
+		'AktiverStudentOhneStatus',
+		'AusbildungssemPrestudentUngleichAusbildungssemStatus',
+		'DatumAbschlusspruefungFehlt',
+		'DatumSponsionFehlt',
+		'DatumStudiensemesterFalscheReihenfolge',
+		'FalscheAnzahlAbschlusspruefungen',
+		'FalscheAnzahlHeimatadressen',
+		'FalscheAnzahlZustelladressen',
+		'GbDatumWeitZurueck',
+		'InaktiverStudentAktiverStatus',
+		'IncomingHeimatNationOesterreich',
+		'IncomingOhneIoDatensatz',
+		'IncomingOrGsFoerderrelevant',
+		'InskriptionVorLetzerBismeldung',
+		'NationNichtOesterreichAberGemeinde',
+		'OrgformStgUngleichOrgformPrestudent',
+		'PrestudentMischformOhneOrgform',
+		'StgPrestudentUngleichStgStudienplan',
+		'StgPrestudentUngleichStgStudent',
+		'StudentstatusNachAbbrecher',
 		'DualesStudiumOhneMarkierung' => 'DualesStudiumOhneMarkierung'
-		//'StudienplanUngueltig' => 'StudienplanUngueltig'
-		//'BewerberNichtZumRtAngetreten' => 'BewerberNichtZumRtAngetreten'
+		//'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'];
 }
@@ -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();
@@ -132,6 +136,12 @@ 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 ?";
@@ -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 +1,131 @@
+<?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
 		);

@@ -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);
+	}
+}
@@ -5,12 +5,12 @@
 */
 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 $_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 +24,6 @@ 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 +39,20 @@ 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 ?";
@@ -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 ?";
@@ -18,9 +18,10 @@ class StudentstatusNachAbbrecher 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 = $this->getStudentstatusNachAbbrecher($studiengang_kz, null, $exkludierte_studiengang_kz);
+		$prestudentRes = $this->getStudentstatusNachAbbrecher($studiengang_kz, null, $person_id, $exkludierte_studiengang_kz);

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

@@ -51,7 +52,7 @@ class StudentstatusNachAbbrecher extends PlausiChecker
 	 * @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, $exkludierte_studiengang_kz = null)
+	public function getStudentstatusNachAbbrecher($studiengang_kz = null, $prestudent_id = null, $person_id = null, $exkludierte_studiengang_kz = null)
 	{
 		$params = array();

@@ -79,6 +80,12 @@ 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 ?";
@@ -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);
+	}
+}
@@ -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;
 		}
 	}
@@ -137,19 +137,25 @@ EOTXT;
 		return parent::__toString() . $txt;
 	}

-	/* public function validate()
+	public function validate()
 	{
-		if( !(filter_var($this->tage, FILTER_VALIDATE_INT, 
-				array(
-					'options' => array(
-						'min_range' => 1,
-						'max_range' => 50
-					)
-				)
-			)) ) {
-			$this->validationerrors[] = 'Urlaubsanspruch muss eine Tagesanzahl im Bereich 1 bis 50 sein.';
+		$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();
-	} */
+	} 
 }
@@ -0,0 +1,14 @@
+<?php
+class App_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'system.tbl_app';
+		$this->pk = 'app';
+	}
+}
@@ -0,0 +1,15 @@
+<?php
+class FehlerApp_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'system.tbl_fehler_app';
+		$this->pk = array('fehlercode', 'app');
+		$this->hasSequence = false;
+	}
+}
@@ -9,6 +9,44 @@ class Fehler_model extends DB_Model
 	{
 		parent::__construct();
 		$this->dbTable = 'system.tbl_fehler';
-		$this->pk = 'fehlercode';
+		$this->pk = array('fehlercode');
+		$this->hasSequence = false;
+	}
+
+	/**
+	 * Gets all fehler for particular apps.
+	 * @param $apps string of one app or array with multiple
+	 * @return object success or error
+	 */
+	public function getByApps($apps)
+	{
+		if (is_string($apps)) $apps = [$apps];
+
+		$params = [];
+
+		$qry = "
+			SELECT
+				fehlercode, fehler_kurzbz, fehlercode_extern, fehlertext, fehlertyp_kurzbz
+			FROM
+				system.tbl_fehler fe";
+
+		if (!isEmptyArray($apps))
+		{
+			$qry .= "
+				WHERE EXISTS (
+					SELECT 1
+					FROM
+						system.tbl_fehler_app
+					WHERE
+						fehlercode = fe.fehlercode
+						AND app IN ?
+				)";
+
+			$params[] = $apps;
+		}
+
+		$qry .= " ORDER BY fehlercode;";
+
+		return $this->execReadOnlyQuery($qry, $params);
 	}
 }
@@ -15,17 +15,21 @@ class Fehlerkonfiguration_model extends DB_Model

 	/**
 	 * Retrieve all set configuration parameters, optionally filtered by app.
-	 * @param string $app
+	 * @param string $apps
 	 * @return object success or error
 	 */
-	public function getKonfiguration($app = null)
+	public function getKonfiguration($apps = null)
 	{
+		if (is_string($apps)) $apps = [$apps];
 		$fehlerkonfiguration = array();

-		$this->addSelect('fehlercode, konfigurationstyp_kurzbz, konfiguration, fehler_kurzbz');
+		$this->addDistinct();
+		$this->addSelect('fehler.fehlercode, konftyp.konfigurationstyp_kurzbz, tbl_fehler_konfiguration.konfiguration, fehler.fehler_kurzbz');
 		$this->addJoin('system.tbl_fehler_konfigurationstyp konftyp', 'konfigurationstyp_kurzbz');
 		$this->addJoin('system.tbl_fehler fehler', 'fehlercode');
-		$fehlerkonfigurationRes = isset($app) ? $this->loadWhere(array('fehler.app' => $app)) : $this->load();
+		$this->addJoin('system.tbl_fehler_app fe_app', 'fehlercode');
+		if (isset($apps) && !isEmptyArray($apps)) $this->db->where_in('fe_app.app', $apps);
+		$fehlerkonfigurationRes = $this->load();

 		if (isError($fehlerkonfigurationRes)) return $fehlerkonfigurationRes;

@@ -11,37 +11,4 @@ class Fehlerkonfigurationstyp_model extends DB_Model
 		$this->dbTable = 'system.tbl_fehler_konfigurationstyp';
 		$this->pk = array('konfigurationstyp_kurzbz');
 	}
-
-	/**
-	 * Retrieve all set configuration parameters, optionally filtered by app.
-	 * @param string $app
-	 * @return object success or error
-	 */
-	public function getKonfiguration($app = null)
-	{
-		$fehlerkonfiguration = array();
-
-		$this->addSelect('fehlercode, konfigurationstyp_kurzbz, konfiguration, fehler_kurzbz');
-		$this->addJoin('system.tbl_fehler_konfigurationstyp konftyp', 'konfigurationstyp_kurzbz');
-		$this->addJoin('system.tbl_fehler fehler', 'fehlercode');
-		$fehlerkonfigurationRes = isset($app) ? $this->loadWhere(array('fehler.app' => $app)) : $this->load();
-
-		if (isError($fehlerkonfigurationRes)) return $fehlerkonfigurationRes;
-
-		if (hasData($fehlerkonfigurationRes))
-		{
-			$fehlerkonfigurationData = getData($fehlerkonfigurationRes);
-			foreach ($fehlerkonfigurationData as $fk)
-			{
-				$konf = json_decode($fk->konfiguration);
-				if (is_array($konf))
-				{
-					$fk->konfiguration = $konf;
-					$fehlerkonfiguration[] = $fk;
-				}
-			}
-		}
-
-		return success($fehlerkonfiguration);
-	}
 }
@@ -12,6 +12,67 @@ class Fehlerzustaendigkeiten_model extends DB_Model
 		$this->pk = 'fehlerzustaendigkeiten_id';
 	}

+	/**
+	 * Get all Fehler for which user is hauptzuständig (is in charge).
+	 * @return object success or error
+	 */
+	public function getFehlerForUserHauptzustaendig()
+	{
+		$params = [getAuthPersonId()];
+
+		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+
+		// get oes of uid for which there is a current funktion
+		$all_funktionen_oe_kurzbz = array();
+		$benutzerfunktionRes = $this->BenutzerfunktionModel->getBenutzerFunktionByUid(getAuthUID(), null, date('Y-m-d'), date('Y-m-d'));
+
+		if (isError($benutzerfunktionRes)) return $benutzerfunktionRes;
+
+		if (hasData($benutzerfunktionRes))
+		{
+			foreach (getData($benutzerfunktionRes) as $benutzerfunktion)
+			{
+				$all_funktionen_oe_kurzbz[$benutzerfunktion->oe_kurzbz][] = $benutzerfunktion->funktion_kurzbz;
+			}
+		}
+
+		$query = "WITH zustaendigkeiten AS (
+					SELECT fehlercode,
+						CASE
+							WHEN zst.person_id = ?";
+
+		if (!isEmptyArray($all_funktionen_oe_kurzbz))
+		{
+			$params[] = array_keys($all_funktionen_oe_kurzbz);
+			$query .= " OR (zst.oe_kurzbz IN ? AND zst.funktion_kurzbz IS NULL)  /* if oe is specified in fehler_zustaendigkeiten */";
+
+			// check for each oe for each function if zustaendig
+			foreach ($all_funktionen_oe_kurzbz as $oe_kurzbz => $funktionen_kurzbz)
+			{
+				foreach ($funktionen_kurzbz as $funktion_kurzbz)
+				{
+					$query .= " OR (zst.oe_kurzbz = '$oe_kurzbz' AND zst.funktion_kurzbz = '$funktion_kurzbz')";
+				}
+			}
+		}
+
+		$query .= " THEN TRUE
+					ELSE FALSE
+				END AS \"zustaendig\"
+			FROM system.tbl_fehler_zustaendigkeiten zst
+		)
+		SELECT
+			fehler.fehler_kurzbz, fehler.fehlercode
+		FROM
+			system.tbl_fehler fehler
+			LEFT JOIN zustaendigkeiten USING(fehlercode)
+		WHERE
+			zustaendigkeiten.fehlercode IS NULL
+			OR zustaendigkeiten.zustaendig = TRUE";
+
+		return $this->execReadOnlyQuery($query, $params);
+	}
+
 	/**
 	 * Gets active Mitarbeiter not assigned to a Fehler.
 	 * @param $fehlercode
@@ -20,45 +20,20 @@ class Issue_model extends DB_Model
 	 * @param string $fehlercode_extern
 	 * @return object success with issues or error
 	 */
-	public function getOpenIssues($fehlercodes, $person_id = null, $oe_kurzbz = null, $fehlercode_extern = null)
+	public function getOpenIssues($fehlercodes, $person_id = null, $oe_kurzbz = null, $fehlercode_extern = null, $hauptzustaendig = false)
 	{
-		$params = array();
 		// issue exists for a fehlercode (or fehlercode_extern), person_id, oe_kurzbz, if not verarbeitet yet
-		$qry = 'SELECT
-					iss.issue_id, iss.fehlercode, fe.fehler_kurzbz, iss.inhalt, iss.fehlercode_extern,
-					iss.inhalt_extern, iss.person_id, iss.oe_kurzbz, iss.behebung_parameter,
-					iss.datum, iss.verarbeitetvon, iss.verarbeitetamum
-				FROM
-					system.tbl_issue iss
-					JOIN system.tbl_fehler fe USING (fehlercode)
-				WHERE
-					verarbeitetamum IS NULL';
-
-		if (!isEmptyArray($fehlercodes))
-		{
-			$qry .= ' AND fehlercode IN ?';
-			$params[] = $fehlercodes;
-		}
-
-		if (!isEmptyString($fehlercode_extern))
-		{
-			$qry .= ' AND fehlercode_extern = ?';
-			$params[] = $fehlercode_extern;
-		}
-
-		if (isset($person_id))
-		{
-			$qry .= ' AND person_id = ?';
-			$params[] = $person_id;
-		}
-
-		if (isset($oe_kurzbz))
-		{
-			$qry .= ' AND oe_kurzbz = ?';
-			$params[] = $oe_kurzbz;
-		}
-
-		return $this->execQuery($qry, $params);
+		return $this->_getIssues(
+			$person_id,
+			$oe_kurzbz,
+			$fehlertyp_kurzbz = null,
+			$apps = null,
+			$ist_verarbeitet = false,
+			$behebung_parameter = null,
+			$fehlercodes,
+			$fehlercode_extern,
+			$hauptzustaendig
+		);
 	}

 	/**
@@ -69,8 +44,14 @@ class Issue_model extends DB_Model
 	 * @param string $fehlercode_extern if provided, only issues with this external fehlercode are counted (for identifying issues from external systems).
 	 * @return Object success with number of issues or error
 	 */
-	public function getOpenIssueCount($fehlercode, $person_id = null, $oe_kurzbz = null, $fehlercode_extern = null, $behebung_parameter = null)
-	{
+	public function getOpenIssueCount(
+		$fehlercode,
+		$person_id = null,
+		$oe_kurzbz = null,
+		$fehlercode_extern = null,
+		$behebung_parameter = null,
+		$hauptzustaendig = false
+	) {
 		$params = array($fehlercode);
 		// issue exists for a fehlercode (or fehlercode_extern), person_id, oe_kurzbz, if not verarbeitet yet
 		$qry = 'SELECT count(*) as anzahl_open_issues FROM system.tbl_issue
@@ -83,7 +64,7 @@ class Issue_model extends DB_Model
 			$params[] = $fehlercode_extern;
 		}

-		if (isset($person_id))
+		if (isset($person_id) && is_numeric($person_id))
 		{
 			$qry .= ' AND person_id = ?';
 			$params[] = $person_id;
@@ -110,4 +91,149 @@ class Issue_model extends DB_Model

 		return $this->execQuery($qry, $params);
 	}
+
+	/**
+	 * Gets issues which are open, i.e. not resolved.
+	 * @param int $person_id
+	 * @param string $oe_kurzbz
+	 * @param string $fehlertyp_kurzbz
+	 * @param string|array $apps
+	 * @param array $behebung_parameter
+
+	 * @return object success with issues or error
+	 */
+	public function getOpenIssuesByProperties(
+		$person_id = null,
+		$oe_kurzbz = null,
+		$fehlertyp_kurzbz = null,
+		$apps = null,
+		$behebung_parameter = null,
+		$hauptzustaendig = false
+	) {
+		return $this->_getIssues(
+			$person_id,
+			$oe_kurzbz,
+			$fehlertyp_kurzbz,
+			$apps,
+			$ist_verarbeitet = false,
+			$behebung_parameter,
+			$fehlercodes = null,
+			$fehlercode_extern = null,
+			$hauptzustaendig
+		);
+	}
+
+	/**
+	 * Gets issues which are open, i.e. not resolved.
+	 * @param int $person_id
+	 * @param string $oe_kurzbz
+	 * @param string $fehlertyp_kurzbz
+	 * @param array $apps only issues for given apps are retrieved
+	 * @param bool $ist_verarbeitet wether the issue has already been resolved
+	 * @param array $behebung_parameter
+	 * @param array $fehlercodes
+	 * @param string $fehlercode_extern
+	 * @return object success with issues or error
+	 */
+	private function _getIssues(
+		$person_id = null,
+		$oe_kurzbz = null,
+		$fehlertyp_kurzbz = null,
+		$apps = null,
+		$ist_verarbeitet = null,
+		$behebung_parameter = null,
+		$fehlercodes = null,
+		$fehlercode_extern = null,
+		$hauptzustaendig = false
+	) {
+		$params = array();
+
+		$qry = 'SELECT
+					iss.issue_id, iss.fehlercode, fe.fehler_kurzbz, iss.inhalt, iss.fehlercode_extern,
+					iss.inhalt_extern, iss.person_id, iss.oe_kurzbz, iss.behebung_parameter,
+					iss.datum, iss.verarbeitetvon, iss.verarbeitetamum
+				FROM
+					system.tbl_issue iss
+					JOIN system.tbl_fehler fe USING (fehlercode)
+				WHERE
+					TRUE';
+
+		if (isset($person_id) && is_numeric($person_id))
+		{
+			$qry .= ' AND person_id = ?';
+			$params[] = $person_id;
+		}
+
+		if (isset($oe_kurzbz))
+		{
+			$qry .= ' AND oe_kurzbz = ?';
+			$params[] = $oe_kurzbz;
+		}
+
+		if (isset($fehlertyp_kurzbz))
+		{
+			$qry .= ' AND fehlertyp_kurzbz = ?';
+			$params[] = $fehlertyp_kurzbz;
+		}
+
+		if (isset($apps))
+		{
+			if (is_string($apps)) $apps = [$apps];
+
+			if (is_array($apps))
+			{
+				$qry .= ' AND EXISTS (SELECT 1 FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode AND app IN ?)';
+				$params[] = $apps;
+			}
+		}
+
+		if (is_bool($ist_verarbeitet))
+		{
+			$qry .= $ist_verarbeitet ? ' AND verarbeitetamum IS NOT NULL' : ' AND verarbeitetamum IS NULL';
+		}
+
+		if (!isEmptyArray($behebung_parameter))
+		{
+			// convert array to JSON string for postgres
+			$behebung_parameter_string = json_encode($behebung_parameter);
+
+			if ($behebung_parameter_string)
+			{
+				// check if jsonb value is equal to the passed parameters array (if value contains array and array contains value)
+				$qry .= ' AND behebung_parameter @> ? AND behebung_parameter <@ ?';
+				$params = array_merge($params, array($behebung_parameter_string, $behebung_parameter_string));
+			}
+		}
+
+		// retrieving only fehler for which user is hauptzuständig
+		if ($hauptzustaendig === true)
+		{
+			$this->load->model('system/Fehlerzustaendigkeiten_model', 'FehlerzustaendigkeitenModel');
+
+			$result = $this->FehlerzustaendigkeitenModel->getFehlerForUserHauptzustaendig();
+
+
+			if (isError($result)) return $result;
+
+			if (hasData($result))
+			{
+				$fehlercodesZust = array_column(getData($result), 'fehlercode');
+				$fehlercodes = isEmptyArray($fehlercodes) ? $fehlercodesZust : array_intersect($fehlercodes, $fehlercodesZust);
+			}
+		}
+
+		if (!isEmptyArray($fehlercodes))
+		{
+			$qry .= ' AND fehlercode IN ?';
+			$params[] = $fehlercodes;
+		}
+
+		if (isset($fehlercode_extern))
+		{
+			$qry .= ' AND fehlercode_extern = ?';
+			$params[] = $fehlercode_extern;
+		}
+
+		return $this->execQuery($qry, $params);
+	}
 }
@@ -49,7 +49,8 @@ $query .= "
 				inhalt AS \"Inhalt\", inhalt_extern AS \"Inhalt extern\", iss.person_id AS \"PersonId\", iss.oe_kurzbz AS \"OE\",
 				ftyp.bezeichnung_mehrsprachig[".$this->db->escape($language_index)."] AS \"Fehlertyp\",
 				stat.bezeichnung_mehrsprachig[".$this->db->escape($language_index)."] AS \"Fehlerstatus\",
-				verarbeitetvon AS \"Verarbeitet von\",verarbeitetamum AS \"Verarbeitet am\", fr.app AS \"Applikation\",
+				verarbeitetvon AS \"Verarbeitet von\",verarbeitetamum AS \"Verarbeitet am\",
+				(SELECT STRING_AGG(app, ', ') FROM system.tbl_fehler_app WHERE fehlercode = fr.fehlercode GROUP BY fehlercode) AS \"Applikation\",
 				fr.fehlertyp_kurzbz AS \"Fehlertypcode\", iss.status_kurzbz AS \"Statuscode\",
 				pers.vorname AS \"Vorname\", pers.nachname AS \"Nachname\",
 				(
@@ -168,7 +169,7 @@ $query .= 							")

 $query .= ") ";

-if (!isEmptyString($APPS)) $query .= " AND fr.app IN ".$APPS;
+if (!isEmptyString($APPS)) $query .= " AND EXISTS (SELECT 1 FROM system.tbl_fehler_app WHERE fehlercode = fr.fehlercode AND app IN ".$APPS.")";

 $query .= " ORDER BY
 			CASE
@@ -2,7 +2,8 @@

 // get assigned Konfiguration
 $query = "SELECT
-				konftyp.konfigurationstyp_kurzbz, fe.fehlercode, fe.fehler_kurzbz, konf.konfiguration, fe.app,
+				konftyp.konfigurationstyp_kurzbz, fe.fehlercode, fe.fehler_kurzbz, konf.konfiguration,
+				(SELECT STRING_AGG(app, ', ') FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode GROUP BY fehlercode) AS app,
 				konftyp.beschreibung AS  konfigurationsbeschreibung, konftyp.konfigurationsdatentyp, fe.fehlertext
 			FROM
 				system.tbl_fehler_konfiguration konf
@@ -1,7 +1,8 @@
 <?php

 // get assigned Zustaendigkeiten
-$query = "SELECT fehlerzustaendigkeiten_id, fe.fehlercode, fe.fehlercode_extern, fehler_kurzbz, fehlertext, fehlertyp_kurzbz, fe.app,
+$query = "SELECT fehlerzustaendigkeiten_id, fe.fehlercode, fe.fehlercode_extern, fehler_kurzbz, fehlertext, fehlertyp_kurzbz,
+			(SELECT STRING_AGG(app, ', ') FROM system.tbl_fehler_app WHERE fehlercode = fe.fehlercode GROUP BY fehlercode) AS app,
       		pers.person_id, pers.vorname, pers.nachname,
       		oe.oe_kurzbz, oe.bezeichnung AS oe_bezeichnung, funk.funktion_kurzbz, funk.beschreibung AS funktion_beschreibung
 			FROM system.tbl_fehler_zustaendigkeiten zst
@@ -25,6 +25,7 @@
 */
 require_once(dirname(__FILE__).'/basis_db.class.php');
 require_once(dirname(__FILE__).'/'.EXT_FKT_PATH.'/generateZahlungsreferenz.inc.php');
+require_once(dirname(__FILE__).'/variable.class.php');

 class konto extends basis_db
 {
@@ -432,6 +433,8 @@ class konto extends basis_db

 		$qry.=" ORDER BY beschreibung";

+		$oehBeitrag = $this->_getOEHBeitrag();
+
 		if($this->db_query($qry))
 		{
 			while($row = $this->db_fetch_object())
@@ -440,7 +443,15 @@ class konto extends basis_db

 				$typ->buchungstyp_kurzbz = $row->buchungstyp_kurzbz;
 				$typ->beschreibung = $row->beschreibung;
-				$typ->standardbetrag = $row->standardbetrag;
+				if (strtolower($typ->buchungstyp_kurzbz) === 'oeh' && $oehBeitrag)
+				{
+					$typ->standardbetrag = $oehBeitrag;
+				}
+				else
+				{
+					$typ->standardbetrag = $row->standardbetrag;
+				}
+
 				$typ->standardtext = $row->standardtext;
 				$typ->credit_points = $row->credit_points;
 				$typ->aktiv = $this->db_parse_bool($row->aktiv);
@@ -990,6 +1001,43 @@ class konto extends basis_db
 			return false;
 		}
 	}
+
+	private function _getOEHBeitrag()
+	{
+		if(!is_user_logged_in())
+		{
+			return false;
+		}
+
+		$variablen_obj = new variable();
+		$variablen_obj->loadVariables(get_uid());
+
+		$qry = "WITH semstart AS (
+					SELECT start FROM public.tbl_studiensemester
+					WHERE studiensemester_kurzbz = '". $this->db_escape($variablen_obj->variable->semester_aktuell) . "'
+				)
+				SELECT * FROM bis.tbl_oehbeitrag oehb
+				JOIN public.tbl_studiensemester semvon ON oehb.von_studiensemester_kurzbz = semvon.studiensemester_kurzbz
+				LEFT JOIN public.tbl_studiensemester sembis ON oehb.bis_studiensemester_kurzbz = sembis.studiensemester_kurzbz
+				JOIN semstart ON semstart.start::date >= semvon.start::date AND (sembis.studiensemester_kurzbz IS NULL OR semstart.start::date <= sembis.start::date)
+				ORDER BY semvon.start
+				LIMIT 1";
+
+		if ($this->db_query($qry))
+		{
+			if($row = $this->db_fetch_object())
+			{
+				$summe = ($row->studierendenbeitrag + $row->versicherung) * -1;
+				return number_format((float)$summe, 2, '.', '');
+			}
+			return false;
+		}
+		else
+		{
+			$this->errormsg = 'Fehler bei der Abfrage aufgetreten';
+			return false;
+		}
+	}
 }

 ?>
@@ -197,10 +197,6 @@ html.fs_huge {
 	margin-bottom: -1px;
 }

-.tiny-90 div.tox.tox-tinymce {
-	height: 90% !important;
-}
-
 /* slim begin */
 .stv .form-label {
 	margin-bottom: .15rem;
@@ -0,0 +1,20 @@
+export default {
+
+	checkPerson(person_id)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/issues/StudentIssueChecker/checkPerson',  
+			params: { person_id }
+		};
+	},
+	countPersonOpenIssues(person_id)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/issues/StudentIssueChecker/countPersonOpenIssues',
+			params: { person_id }
+		};
+	}
+
+}
@@ -0,0 +1,12 @@
+export default {
+
+	getOpenIssuesByProperties(person_id, oe_kurzbz, fehlertyp_kurzbz, apps, behebung_parameter, hauptzustaendig)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/issues/Issues/getOpenIssuesByProperties',
+			params: { person_id, oe_kurzbz, fehlertyp_kurzbz, apps, behebung_parameter, hauptzustaendig }
+		};
+	}
+
+}
@@ -38,6 +38,10 @@ export default {
 		};
 	},
 	insert(params) {
+		if(params.betrag)
+		{
+			params.betrag = params.betrag.replace(',', '.');
+		}
 		return {
 			method: 'post',
 			url: 'api/frontend/v1/stv/konto/insert',
@@ -52,6 +56,10 @@ export default {
 		};
 	},
 	edit(params) {
+		if(params.betrag)
+		{
+			params.betrag = params.betrag.replace(',', '.');
+		}
 		return {
 			method: 'post',
 			url: 'api/frontend/v1/stv/konto/update',
@@ -65,10 +73,14 @@ export default {
 			params: { buchungsnr }
 		};
 	},
-	getBuchungstypen() {
+	getBuchungstypen(studiensemester_kurzbz) {
+		let url = 'api/frontend/v1/stv/konto/getBuchungstypen'
+		if (!!studiensemester_kurzbz)
+			url = url + '/' + encodeURIComponent(studiensemester_kurzbz);
+
 		return {
 			method: 'get',
-			url: 'api/frontend/v1/stv/konto/getBuchungstypen'
+			url: url
 		};
-	}
+	},
 };
@@ -0,0 +1,109 @@
+import IssueList from './IssueList.js';
+import DefaultIssueCheckerEndpoint from '../../api/factory/issueChecker.js';
+import DefaultIssueListEndpoint from '../../api/factory/issueList.js';
+
+export default {
+	name: 'IssueChecker',
+	expose: ['countPersonOpenIssues', 'checkPerson'],
+	//emits: ['issuesLoaded'],
+	 components: {
+		IssueList,
+		"p-skeleton": primevue.skeleton,
+		"p-overlaypanel": primevue.overlaypanel
+	 },
+	 props: {
+		person_id: Number,
+		//oe_kurzbz: String,
+		apps: [String, Array],
+		hauptzustaendig: {
+			type: Boolean,
+			default: false
+		},
+		endpoint: {
+			type: Object,
+			required: true,
+			default: DefaultIssueCheckerEndpoint
+		},
+		issueListEndpoint: {
+			type: Object,
+			required: true,
+			default: DefaultIssueListEndpoint
+		},
+		issueListStyle: {
+			type: Object
+		},
+		issueListStyleBreakpoints: {
+			type: Object
+		},
+		includeIssueList: {
+			type: Boolean,
+			default: true
+		},
+	},
+	 data() {
+		return {
+			title: "IssueChecker",
+			currentDate: null,
+			isFetching: false,
+			openissuescount: null
+		}
+	},
+	computed: {
+	},
+	watch: {
+			person_id() {
+				this.countPersonOpenIssues();
+		}
+	},
+	mounted() {
+		this.countPersonOpenIssues();
+	},
+	 methods: {
+
+		countPersonOpenIssues() {
+			this.isFetching = true;
+			this.$api.call(
+				this.endpoint.countPersonOpenIssues(this.person_id, this.hauptzustaendig)
+			)
+			.then(result => {
+				//this.$emit('issuesLoaded', this.issues);
+				this.openissuescount = result.data.openissues;
+				this.isFetching = false;
+			})
+			.catch(this.$fhcAlert.handleSystemError);
+		},
+		checkPerson() {
+			this.isFetching = true;
+			this.$api.call(
+				this.endpoint.checkPerson(this.person_id, this.hauptzustaendig)
+			)
+			.then(result => {
+				//this.$emit('issuesLoaded', this.issues);
+				this.openissuescount = result.data.openissues;
+				this.isFetching = false;
+			})
+			.catch(this.$fhcAlert.handleSystemError);
+		},
+		toggle(event) {
+			this.$refs.issuesOverlay.toggle(event);
+		}
+	 },
+	 template: `
+		<div>
+			<h4 class="mb-1">Issues&nbsp;<a class="refresh-issues" title="erneut prüfen" href="javascript:void(0);" @click="checkPerson"><i class="fas fa-sync"></i></a></h4>
+			<h6 v-if="!isFetching" class="text-muted" :role="includeIssueList ? 'button' : ''" @click="toggle">{{ openissuescount }}</h6>
+			<h6 v-else class="mb-2"><p-skeleton v-if="isFetching" style="width:45%"></p-skeleton></h6>
+		</div>
+
+		<p-overlaypanel ref="issuesOverlay" :style="issueListStyle" :breakpoints="issueListStyleBreakpoints" v-if="includeIssueList">
+			<issue-list
+				ref="issueListRef"
+				:person_id = "person_id"
+				:apps = "apps"
+				:hauptzustaendig = "hauptzustaendig"
+				:endpoint = "issueListEndpoint"
+			>
+			</issue-list>
+		</p-overlaypanel>
+	 `
+}
@@ -0,0 +1,93 @@
+import ApiIssueList from '../../api/factory/issueList.js';
+
+export default {
+	name: 'IssueList',
+	emits: ['issuesLoaded'],
+	expose: ['fetchIssues'],
+	 components: {
+	 },
+	 props: {
+		person_id: Number,
+		oe_kurzbz: String,
+		fehlertyp_kurzbz: String,
+		apps: [String, Array],
+		behebung_parameter: Array,
+		hauptzustaendig: {
+			type: Boolean,
+			default: false
+		},
+		date: null,
+		endpoint: {
+			type: Object,
+			default: ApiIssueList
+		}
+	},
+	 data() {
+		return {
+			title: "Issues",
+			currentDate: null,
+			isFetching: false,
+			issues: null
+		}
+	},
+	computed: {
+		// if any property changes, get issues again
+		propertiesChanged() {
+		  return `${this.person_id}|${this.oe_kurzbz}|${this.fehlertyp_kurzbz}||${this.apps}|${this.behebung_parameter}`;
+		},
+	  },
+	watch: {
+		propertiesChanged(newVal, oldVal) {
+			this.fetchIssues();
+		},
+	  },
+	mounted() {
+		this.currentDate = this.date || new Date();
+		this.fetchIssues();
+	},
+	 methods: {
+
+		 fetchIssues() {
+			this.isFetching = true;
+			this.$api.call(
+				this.endpoint.getOpenIssuesByProperties(
+					this.person_id,
+					this.oe_kurzbz,
+					this.fehlertyp_kurzbz,
+					this.apps,
+					this.behebung_parameter,
+					this.hauptzustaendig
+				)
+			)
+			.then(result => {
+				this.issues = result.data;
+				this.$emit('issuesLoaded', this.issues);
+				this.isFetching = false;
+			})
+			.catch(this.$fhcAlert.handleSystemError);
+		},
+		formatDate(ds) {
+			if (ds == undefined) return '';
+			var d = new Date(ds);
+			return d.getDate()  + "." + (d.getMonth()+1) + "." + d.getFullYear()
+		}
+	 },
+	 template: `
+		<div v-if="isFetching" class="spinner-border" role="status">
+			<span class="visually-hidden">Loading...</span>
+		</div>
+		<div v-if="!isFetching && issues!=null && issues!=[]">
+			<table class="table table-bordered">
+				<tbody>
+					<tr><th>Datum</th><th>Inhalt</th></tr>
+					<tr v-for="(item, index) in issues" :key="item.issue_id">
+						<td>{{ formatDate(item.datum) }}</td>
+						<td>{{ item.inhalt }} <br>
+							<slot name="additionalText" v-bind="item"></slot>
+						</td>
+					</tr>
+				</tbody>
+			</table>
+		</div>
+	 `
+}
@@ -63,7 +63,7 @@ export default {
 			const vm = this;
 			tinymce.init({
 				target: this.$refs.editor.$refs.input, //Important: not selector: to enable multiple import of component
-				//height: 800,
+				min_height: 300,
 				//plugins: ['lists'],
 				toolbar: 'styleselect | bold italic underline | alignleft aligncenter alignright alignjustify | link',
 				plugins: 'link',
@@ -313,7 +313,7 @@ export default {

 				<div class="row">
 					<div class="col-sm-8">
-						<form-form class="row g-3 mt-2 h-100" ref="formMessage">
+						<form-form class="row g-3 mt-2 align-content-start" ref="formMessage">

 							<div class="row mb-3">

@@ -338,7 +338,7 @@ export default {
 							</div>

 							<!--Tiny MCE-->
-							<div class="row mb-3 h-100 tiny-90">
+							<div class="row mb-3 tiny-90">
 								<form-input
 									ref="editor"
 									:label="$p.t('global','nachricht')  + ' *'"
@@ -62,7 +62,7 @@ export default {
 			const vm = this;
 			tinymce.init({
 				target: this.$refs.editor.$refs.input, //Important: not selector: to enable multiple import of component
-				//height: 800,
+				min_height: 300,
 				//plugins: ['lists'],
 				toolbar: 'styleselect | bold italic underline | alignleft aligncenter alignright alignjustify | link',
 				plugins: 'link',
@@ -30,6 +30,7 @@ export default {
 			personId: null,
 			layoutColumnsOnNewData:	false,
 			height: '400',
+			arePhrasesLoaded: false
 		}
 	},
 	methods: {
@@ -195,7 +196,7 @@ export default {
 						],
 						formatter: (cell, formatterParams) => {
 							const key = formatterParams[cell.getValue()];
-							return this.$p.t('messages', key);
+							return this.$p?.t?.('messages', key) || key;
 						},
 					},
 					{
@@ -305,8 +306,6 @@ export default {
 				{
 					event: 'tableBuilt',
 					handler: async() => {
-						await this.$p.loadCategory(['global', 'person', 'stv', 'messages', 'ui', 'notiz']);
-
 						const setHeader = (field, text) => {
 							const col = this.$refs.table.tabulator.getColumn(field);
 							if (!col) return;
@@ -357,6 +356,12 @@ export default {
 				});*/
 	},
 	created(){
+		this.$p
+			.loadCategory(['global', 'person', 'stv', 'messages', 'ui', 'notiz'])
+			.then(() => {
+				this.arePhrasesLoaded = true;
+			});
+
 		if(this.typeId != 'person_id' && Array.isArray(this.id) && this.id.length === 1) {
 			const params = {
 				id: this.id,
@@ -381,6 +386,7 @@ export default {
 				<!--table-->
 				<div class="col-sm-6 pt-1">
 					<core-filter-cmpt
+						v-if="arePhrasesLoaded"
 						ref="table"
 						:tabulator-options="tabulatorOptions"
 						:tabulator-events="tabulatorEvents"
@@ -413,6 +419,7 @@ export default {
 				<div class="col-sm-12 pt-6">
 					<core-filter-cmpt
 						ref="table"
+						v-if="arePhrasesLoaded"
 						:tabulator-options="tabulatorOptions"
 						:tabulator-events="tabulatorEvents"
 						table-only
@@ -1,5 +1,6 @@
 import FhcTabs from "../../Tabs.js";
 import FhcHeader from "../../DetailHeader/DetailHeader.js";
+import IssueChecker from "../../Issues/IssueChecker.js";

 import ApiStvApp from '../../../api/factory/stv/app.js';

@@ -10,7 +11,8 @@ export default {
 	name: "DetailsPrestudent",
 	components: {
 		FhcTabs,
-		FhcHeader
+		FhcHeader,
+		IssueChecker
 	},
 	data() {
 		return {
@@ -104,6 +106,13 @@ export default {
 				<template #valueBetaTile>{{tile_MatrNr}}</template>
 				<template #titleGammaTile>PersKz</template>
 				<template #valueGammaTile>{{tile_PersKz}}</template>
+				<template #issues>
+					<issue-checker
+						ref="issueCheckerRef"
+						:person_id="students[0].person_id"
+						:apps="['core', 'dvuh', 'bis']"
+						>
+					</issue-checker></template>
 			</fhc-header>
 			<fhc-tabs
 				v-if="students.length == 1"
@@ -83,6 +83,8 @@ export default {
 				});
 		},
 		open() {
+
+			this.getBuchungstypen(this.currentSemester);
 			this.data = {
 				buchungstyp_kurzbz: '',
 				betrag: '-0.00',
@@ -105,7 +107,7 @@ export default {
 			const text = typ.standardtext || '';
 			const creditpoints = typ.credit_points || '';

-			if (!this.data.betrag || this.data.betrag == '-0.00')
+			if (!this.data.betrag || this.data.betrag == '-0.00' || this.data.betrag !== amount)
 				this.data.betrag = amount;

 			if (!this.data.buchungstext)
@@ -113,7 +115,18 @@ export default {

 			if (this.config.showCreditpoints && (this.data.credit_points == '0.00' || this.data.credit_points === null))
 				this.data.credit_points = creditpoints;
-		}
+		},
+		getBuchungstypen(studiensemester_kurzbz)
+		{
+			this.$api
+				.call(ApiKonto.getBuchungstypen(studiensemester_kurzbz))
+				.then(result => {
+					this.lists.buchungstypen = result.data;
+					if (this.data.buchungstyp_kurzbz)
+						this.checkDefaultBetrag(this.data.buchungstyp_kurzbz);
+				})
+				.catch(this.$fhcAlert.handleSystemError);
+		},
 	},
 	template: `
 	<core-form ref="form" class="stv-details-konto-edit" @submit.prevent="save">
@@ -166,6 +179,7 @@ export default {
 				<form-input
 					type="select"
 					v-model="data.studiensemester_kurzbz"
+					@change="getBuchungstypen(data.studiensemester_kurzbz)"
 					name="studiensemester_kurzbz"
 					:label="$p.t('lehre/studiensemester')"
 					>
@@ -41,8 +41,8 @@ export default {
 				),
 				ajaxResponse: (url, params, response) => response.data,
 				columns: [
-					{title: "Typ", field: "type"},
-					{title: "Betrag", field: "betrag",
+					{title: "Typ", field: "type", headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "Betrag", field: "betrag", headerFilter: true,
 						formatter: function(cell) {
 							let value = cell.getValue();
 							if (value == null) {
@@ -51,14 +51,14 @@ export default {
 							return parseFloat(value).toFixed(2);
 						}
 					},
-					{title: "Bezeichnung", field: "bezeichnung"},
-					{title: "Studiensemester", field: "studiensemester_kurzbz"},
-					{title: "Pruefung_id", field: "pruefung_id", visible: false},
-					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false},
-					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false},
-					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true},
-					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false},
-					{title: "vertrag_id", field: "vertrag_id", visible: false}, //just for testing
+					{title: "Bezeichnung", field: "bezeichnung", headerFilter: true},
+					{title: "Studiensemester", field: "studiensemester_kurzbz", headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "Pruefung_id", field: "pruefung_id", visible: false, headerFilter: true},
+					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false, headerFilter: true},
+					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false, headerFilter: true},
+					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true, headerFilter: true},
+					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false, headerFilter: true},
+					{title: "vertrag_id", field: "vertrag_id", visible: false, headerFilter: true}, //just for testing
 					{
 						title: 'Aktionen', field: 'actions',
 						minWidth: 50,
@@ -110,10 +110,10 @@ export default {
 				],
 				layout: 'fitColumns',
 				layoutColumnsOnNewData: false,
-				height: '200',
+				height: '250',
 				selectableRowsRangeMode: 'click',
 				selectableRows: true,
-				persistenceID: 'core-contracts-details-2026021701'
+				persistenceID: 'core-contracts-details-2026050501'
 			},
 			tabulatorEvents: [
 				{
@@ -137,7 +137,7 @@ export default {

 						setHeader('type', this.$p.t('global', 'typ'));
 						setHeader('bezeichnung', this.$p.t('ui', 'bezeichnung'));
-						setHeader('lehreinheit_id', this.$p.t('ui', 'lehreinheit_id'));
+						setHeader('lehreinheit_id', this.$p.t('lehre', 'lehreinheit_id'));
 						setHeader('betrag', this.$p.t('ui', 'betrag'));
 						setHeader('studiensemester_kurzbz', this.$p.t('lehre', 'studiensemester'));
 						setHeader('mitarbeiter_uid', this.$p.t('ui', 'mitarbeiter_uid'));
@@ -47,12 +47,13 @@ export default {
 					this.endpoint.getStatiOfContract(this.person_id, this.vertrag_id)
 				),
 				ajaxResponse: (url, params, response) => response.data,
-				persistenceID: 'core-contracts-status-2026021701',
+				persistenceID: 'core-contracts-status-2026050501',
 				columns: [
-					{title: "Status", field: "bezeichnung"},
+					{title: "Status", field: "bezeichnung", headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
 					{
 						title: "Datum",
 						field: "datum",
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr); // Convert to Date object
@@ -66,14 +67,15 @@ export default {
 							});
 						}
 					},
-					{title: "vertrag_id", field: "vertrag_id", visible: false},
-					{title: "Vertragsstatus", field: "vertragsstatus_kurzbz", visible: false},
-					{title: "User", field: "mitarbeiter_uid", visible: false},
-					{title: "insertvon", field: "insertvon", visible: false},
+					{title: "vertrag_id", field: "vertrag_id", visible: false, headerFilter: true},
+					{title: "Vertragsstatus", field: "vertragsstatus_kurzbz", visible: false, headerFilter: true},
+					{title: "User", field: "mitarbeiter_uid", visible: false, headerFilter: true},
+					{title: "insertvon", field: "insertvon", visible: false, headerFilter: true},
 					{
 						title: "insertamum",
 						field: "insertamum",
 						visible: false,
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr);
@@ -87,11 +89,12 @@ export default {
 							});
 						}
 					},
-					{title: "updatevon", field: "updatevon", visible: false},
+					{title: "updatevon", field: "updatevon", visible: false, headerFilter: true},
 					{
 						title: "updateamum",
 						field: "updateamum",
 						visible: false,
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr);
@@ -148,7 +151,7 @@ export default {
 				],
 				layout: 'fitColumns',
 				layoutColumnsOnNewData: false,
-				height: '200',
+				height: '250',
 				selectableRowsRangeMode: 'click',
 				selectableRows: true,
 			},
@@ -30,10 +30,11 @@ export default {
 				),
 				ajaxResponse: (url, params, response) => response.data,
 				columns: [
-					{title: "Typ", field: "type", width: 100},
+					{title: "Typ", field: "type", width: 100, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
 					{
 						title: "Betrag",
 						field: "betrag1",
+						headerFilter: true,
 						formatter: function(cell) {
 							let value = cell.getValue();
 							if (value == null) {
@@ -41,28 +42,29 @@ export default {
 							}
 							return parseFloat(value).toFixed(2);
 						}},
-					{title: "Bezeichnung", field: "bezeichnung", width: 150},
-					{title: "Studiensemester", field: "studiensemester_kurzbz",  width: 160},
-					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false},
-					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false},
-					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true},
-					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false},
-					{title: "Vertragsstunden", field: "vertragsstunden", visible: false},
-					{title: "vertrag_id", field: "vertrag_id", visible: false}, //just for testing
+					{title: "Bezeichnung", field: "bezeichnung", width: 150, headerFilter: true},
+					{title: "Studiensemester", field: "studiensemester_kurzbz",  width: 160, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false, headerFilter: true},
+					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false, headerFilter: true},
+					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true, headerFilter: true},
+					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false, headerFilter: true},
+					{title: "Vertragsstunden", field: "vertragsstunden", visible: false, headerFilter: true},
+					{title: "vertrag_id", field: "vertrag_id", visible: false, headerFilter: true}, //just for testing
 					{
 						title: "VertragsstundenStudiensemester",
 						field: "vertragsstunden_studiensemester_kurzbz",
-						visible: false
+						visible: false,
+						headerFilter: true
 					},
 				],
 				layout: 'fitColumns',
 				layoutColumnsOnNewData: false,
-				height: 150,
+				height: 250,
 				selectableRowsRangeMode: 'click',
 				selectableRows: true,
 				selectableRowsRollingSelection: false, //only allow multiselect with STRG
 				index: "lehreinheit_id",
-				persistenceID: 'core-contracts-unassigned-2026021701'
+				persistenceID: 'core-contracts-unassigned-2026050501'
 			},
 			tabulatorEvents: [
 				{
@@ -100,7 +102,7 @@ export default {

 							setHeader('type', this.$p.t('global', 'typ'));
 							setHeader('bezeichnung', this.$p.t('ui', 'bezeichnung'));
-							setHeader('lehreinheit_id', this.$p.t('ui', 'lehreinheit_id'));
+							setHeader('lehreinheit_id', this.$p.t('lehre', 'lehreinheit_id'));
 							setHeader('betrag1', this.$p.t('ui', 'betrag'));
 							setHeader('studiensemester_kurzbz', this.$p.t('lehre', 'studiensemester'));
 							setHeader('mitarbeiter_uid', this.$p.t('ui', 'mitarbeiter_uid'));
@@ -20,9 +20,6 @@ export default {
 		ContractStati
 	},
 	inject: {
-/*		cisRoot: {
-			from: 'cisRoot'
-		},*/
 		hasSchreibrechte: {
 			from: 'hasSchreibrechte',
 			default: false
@@ -54,9 +51,9 @@ export default {
 				),
 				ajaxResponse: (url, params, response) => response.data,
 				columns: [
-					{title: "Bezeichnung", field: "bezeichnung", width: 300},
+					{title: "Bezeichnung", field: "bezeichnung", width: 300, headerFilter: true},
 					{
-						title: "Betrag", field: "betrag", width: 100,
+						title: "Betrag", field: "betrag", width: 100, headerFilter: true,
 						formatter: function (cell) {
 							let value = cell.getValue();

@@ -66,12 +63,13 @@ export default {
 							return parseFloat(value).toFixed(2);
 						}
 					},
-					{title: "Vertragstyp", field: "vertragstyp_bezeichnung", width: 125},
-					{title: "Status", field: "status", width: 100},
+					{title: "Vertragstyp", field: "vertragstyp_bezeichnung", width: 125, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "Status", field: "status", width: 100, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
 					{
 						title: "Vertragsdatum",
 						field: "vertragsdatum",
 						width: 128,
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr);
@@ -82,11 +80,11 @@ export default {
 							});
 						}
 					},
-					{title: "VertragId", field: "vertrag_id", visible: false},
-					{title: "Vertragsstunden", field: "vertragsstunden", visible: false},
-					{title: "VertragsstundenStudiensemester", field: "vertragsstunden_studiensemester_kurzbz", visible: false},
-					{title: "Anmerkung", field: "anmerkung", visible: false},
-					{title: "isAbgerechnet", field: "isabgerechnet", visible: false},
+					{title: "VertragId", field: "vertrag_id", visible: false, headerFilter: true},
+					{title: "Vertragsstunden", field: "vertragsstunden", visible: false, headerFilter: true},
+					{title: "VertragsstundenStudiensemester", field: "vertragsstunden_studiensemester_kurzbz", visible: false, headerFilter: true},
+					{title: "Anmerkung", field: "anmerkung", visible: false, headerFilter: true},
+					{title: "isAbgerechnet", field: "isabgerechnet", visible: false, headerFilter: true},
 					{
 						title: 'Aktionen', field: 'actions',
 						minWidth: 150,
@@ -140,11 +138,13 @@ export default {
 					columns: true,
 					filter: false //to avoids js errors
 				},
-				persistenceID: 'core-contracts-2026021701',
+				persistenceID: 'core-contracts-2026050501',
 			};
 			return options;
 		},
 		tabulatorEvents() {
+			const vm = this;
+
 			const events = [
 				{
 					event: 'tableBuilt',
@@ -177,28 +177,11 @@ export default {
 						setHeader('actions', this.$p.t('global', 'aktionen'));
 					}
 				},
-/*				{
-					//is just enabled for ADDON Injection KU: MultiprintHonorarvertrag
-					//(maybe enable also for ADDON FH Burgenland: MultiAccept later)
-					event: 'rowClick',
-					handler: (e, row) => {
-						if (this.dataPrintHonorar != null && this.dataPrintHonorar.multiselect != null) {
-							const selectedContract = row.getData().vertrag_id;
-							const status = row.getData().status;
-							const bezeichnung =	row.getData().bezeichnung;
-
-							this.toggleRowClick(selectedContract, status, bezeichnung);
-						}
-					}
-				},*/
 				{
 					event: 'rowClick',
-					handler: (e, row) => {
-						if (!this.dataPrintHonorar?.multiselect) return;
-
+					handler: function (e, row) {
 						const { vertrag_id, status, bezeichnung, vertragstyp_bezeichnung } = row.getData();
-
-						this.toggleRowClick(e, vertrag_id, status, bezeichnung, vertragstyp_bezeichnung);
+						vm.toggleRowClick(e, vertrag_id, status, bezeichnung, vertragstyp_bezeichnung);
 					}
 				},
 				{
@@ -242,8 +225,6 @@ export default {
 		person_id() {
 			this.$refs.table.reloadTable();
 			this.arraySelectedContracts = [];
-/*			if(this.dataPrintHonorar?.multiselect)
-				this.dataPrintHonorar.multiselect = [];*/
 		},
 	},
 	methods: {
@@ -270,7 +251,6 @@ export default {
 				)
 				.then(result => {
 					this.$fhcAlert.alertSuccess(this.$p.t('ui', 'successDelete'));
-					//window.scrollTo(0, 0);
 					this.reload();
 					this.contractSelected.vertrag_id = null;
 				})
@@ -518,19 +498,9 @@ export default {
 					'content/pdfExport.php?xml=' + this.dataPrintHonorar.xml + '&xsl=' + this.dataPrintHonorar.xsl + '&mitarbeiter_uid=' + this.mitarbeiter_uid + vertragString + '&output=pdf&uid=' + this.mitarbeiter_uid;
 			window.open(linkToPdf, '_blank');
 		},
-/*		toggleRowClick(contractId, status, bezeichnung) {
-			const index = this.arraySelectedContracts.findIndex(
-				([id]) => id === contractId
-			);
-			if (index !== -1) {
-				this.arraySelectedContracts.splice(index, 1);
-			} else {
-				this.arraySelectedContracts.push([contractId, status, bezeichnung]);
-			}
-		},*/
 		toggleRowClick(event, vertrag_id, status, bezeichnung, vertragstyp_bezeichnung) {
-			if (!this.dataPrintHonorar?.multiselect) return;

+			const isMulti = this.dataPrintHonorar?.multiselect === true;
 			const isCtrl = event.ctrlKey || event.metaKey;

 			const entry = {
@@ -540,28 +510,29 @@ export default {
 				vertragstyp_bezeichnung
 			};

-			// Single click
-			if (!isCtrl) {
+			// allow MultiSelect just in case event multiActionPrintHonorarvertrag
+			const allowMultiClick = isMulti && isCtrl;
+
+			if (!allowMultiClick) {
 				this.arraySelectedContracts = [entry];
+
+				//just mark last selected row as selected
+				this.$refs.table.tabulator.deselectRow();
+				this.$refs.table.tabulator.selectRow(vertrag_id);
 				return;
 			}

-			// CTRL / CMD → toggle
 			const index = this.arraySelectedContracts.findIndex(
 				e => e.vertrag_id === vertrag_id
 			);

 			if (index === -1) {
 				this.arraySelectedContracts.push(entry);
-				//this.arraySelectedContracts.push([entry.vertrag_id, entry.status, entry.bezeichnung, entry.vertragstyp_bezeichnung]);
 			} else {
 				this.arraySelectedContracts.splice(index, 1);
 			}
-		},
-/*		clearSelection(){
-			this.arraySelectedContracts = [];
-			this.$refs.table.tabulator.deselectRow();
-		}*/
+
+		}
 	},
 	created() {
 		Promise.all([
@@ -587,88 +558,6 @@ export default {
 		});
 		this.getFormattedDate();
 	},
-	/*
-	TODO(Manu) delete after check
-
-		<div class="row mb-3">
-			<form-input
-				type="DatePicker"
-				:label="$p.t('vertrag/datum_vertrag')"
-				name="vertragsdatum"
-				v-model="formData.vertragsdatum"
-				auto-apply
-				:enable-time-picker="false"
-				format="dd.MM.yyyy"
-				preview-format="dd.MM.yyyy"
-				:teleport="true"
-				>
-			</form-input>
-		</div>
-
-		<div class="row mb-3">
-			<form-input
-				type="text"
-				:label="$p.t('ui/bezeichnung')"
-				name="bezeichnung"
-				v-model="formData.bezeichnung"
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3">
-			<form-input
-				type="select"
-				:label="$p.t('global/typ')"
-				v-model="formData.vertragstyp_kurzbz"
-				name="vertragstyp_kurzbz"
-				>
-				<option :value="null">-- {{$p.t('fehlermonitoring', 'keineAuswahl')}} --</option>
-				<option
-					v-for="entry in listContractTypes"
-					:key="entry.vertragstyp_kurzbz"
-					:value="entry.vertragstyp_kurzbz"
-					>
-					{{entry.bezeichnung}}
-				</option>
-			</form-input>
-		</div>
-		<div class="row mb-3">
-			<form-input
-				:label="$p.t('ui/betrag')"
-				name="betrag"
-				v-model="formData.betrag"
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3" v-if="!statusNew">
-			<form-input
-				type="text"
-				:label="$p.t('ui/stunden') + ' (' + $p.t('vertrag/vertrag_urfassung')+ ')'"
-				name="vertragsstunden"
-				v-model="formData.vertragsstunden"
-				disabled
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3" v-if="!statusNew">
-			<form-input
-				type="text"
-				:label="$p.t('lehre/studiensemester') + ' (' + $p.t('vertrag/vertrag_urfassung')+ ')'"
-				name="vertragsstunden_studiensemester_kurzbz"
-				v-model="formData.vertragsstunden_studiensemester_kurzbz"
-				disabled
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3">
-			<form-input
-				type="textarea"
-				:label="$p.t('global/anmerkung')"
-				name="anmerkung"
-				v-model="formData.anmerkung"
-				>
-			</form-input>
-		</div>
-	 */
 	template: `
 	<div class="core-contracts h-100 d-flex flex-column">

@@ -94,6 +94,7 @@ require_once('dbupdate_3.4/71399_dashboard_update_widget_paths.php');
 require_once('dbupdate_3.4/71645_studvw_messagetab_ladezeit.php');
 require_once('dbupdate_3.4/71566_studienordnungsdokument_neuer_organisationseinheitstyp_programm.php');
 require_once('dbupdate_3.4/70376_lohnguide.php');
+require_once('dbupdate_3.4/68834_fehlermonitoring_issues_weitere_features.php');

 // *** Pruefung und hinzufuegen der neuen Attribute und Tabellen
 echo '<H2>Pruefe Tabellen und Attribute!</H2>';
@@ -418,8 +419,9 @@ $tabellen=array(
 	"system.tbl_benutzerrolle"  => array("benutzerberechtigung_id","rolle_kurzbz","berechtigung_kurzbz","uid","funktion_kurzbz","oe_kurzbz","art","studiensemester_kurzbz","start","ende","negativ","updateamum", "updatevon","insertamum","insertvon","kostenstelle_id","anmerkung"),
 	"system.tbl_berechtigung"  => array("berechtigung_kurzbz","beschreibung"),
 	"system.tbl_extensions" => array("extension_id","name","version","description","license","url","core_version","dependencies","enabled"),
-	"system.tbl_fehler" => array("fehlercode","fehler_kurzbz","fehlercode_extern","fehlertext","fehlertyp_kurzbz","app"),
+	"system.tbl_fehler" => array("fehlercode","fehler_kurzbz","fehlercode_extern","fehlertext","fehlertyp_kurzbz","app","insertamum","insertvon","updateamum","updatevon"),
 	"system.tbl_fehlertyp" => array("fehlertyp_kurzbz","bezeichnung_mehrsprachig"),
+	"system.tbl_fehler_app" => array("fehlercode","app","insertamum","insertvon"),
 	"system.tbl_fehler_konfiguration" => array("konfigurationstyp_kurzbz","fehlercode","konfiguration","insertamum","insertvon","updateamum","updatevon"),
 	"system.tbl_fehler_konfigurationsdatentyp" => array("konfigurationsdatentyp"),
 	"system.tbl_fehler_konfigurationstyp" => array("konfigurationstyp_kurzbz","beschreibung","konfigurationsdatentyp","app"),
@@ -0,0 +1,51 @@
+<?php
+if (! defined('DB_NAME')) exit('No direct script access allowed');
+
+// ADD COLUMNS insertamum, insertvon, updateamum, updatevon to system.tbl_fehler
+if(!$result = @$db->db_query("SELECT insertamum FROM system.tbl_fehler LIMIT 1"))
+{
+	$qry = "ALTER TABLE system.tbl_fehler ADD COLUMN insertamum timestamp DEFAULT now();
+			ALTER TABLE system.tbl_fehler ADD COLUMN insertvon varchar(32);
+			ALTER TABLE system.tbl_fehler ADD COLUMN updateamum timestamp DEFAULT now();
+			ALTER TABLE system.tbl_fehler ADD COLUMN updatevon varchar(32);";
+
+	if(!$db->db_query($qry))
+		echo '<strong>system.tbl_fehler '.$db->db_last_error().'</strong><br>';
+	else
+		echo '<br>Spalten insertamum, insertvon, updateamum, updatevon in system.tbl_fehler hinzugefügt';
+}
+
+if (!$result = @$db->db_query('SELECT 1 FROM system.tbl_fehler_app LIMIT 1'))
+{
+	$qry = 'CREATE TABLE system.tbl_fehler_app
+			(
+				fehlercode varchar(64),
+				app varchar(32) NOT NULL,
+				insertamum timestamp DEFAULT now(),
+				insertvon varchar(32)
+			);
+
+			COMMENT ON TABLE system.tbl_fehler_app IS \'Fehler app Zuordnungen\';
+			COMMENT ON COLUMN system.tbl_fehler_app.fehlercode IS \'Fehler\';
+			COMMENT ON COLUMN system.tbl_fehler_app.app IS \'dem Fehler zugeweisene App\';
+
+			ALTER TABLE system.tbl_fehler_app ADD CONSTRAINT pk_fehler_app PRIMARY KEY (fehlercode, app);
+			ALTER TABLE system.tbl_fehler_app ADD CONSTRAINT fk_fehler_app_app FOREIGN KEY (app) REFERENCES system.tbl_app(app) ON UPDATE CASCADE ON DELETE RESTRICT;
+			ALTER TABLE system.tbl_fehler_app ADD CONSTRAINT fk_fehler_app_fehlercode FOREIGN KEY (fehlercode) REFERENCES system.tbl_fehler(fehlercode) ON UPDATE CASCADE ON DELETE CASCADE;
+
+			GRANT SELECT, UPDATE, INSERT, DELETE ON system.tbl_fehler_app TO web;
+			GRANT SELECT, UPDATE, INSERT, DELETE ON system.tbl_fehler_app TO vilesci;
+
+			-- prefill values
+			INSERT INTO system.tbl_fehler_app(fehlercode, app, insertvon)
+				SELECT fehlercode, app, \'dbupdate\' FROM system.tbl_fehler;
+
+			-- remove not null constraint from old table
+			ALTER TABLE system.tbl_fehler ALTER COLUMN app DROP NOT NULL;
+		';
+
+	if(!$db->db_query($qry))
+		echo '<strong>system.tbl_fehler_app: '.$db->db_last_error().'</strong><br>';
+	else
+		echo ' system.tbl_fehler_app: Tabelle hinzugefuegt<br>';
+}
@@ -264,8 +264,8 @@ CREATE TABLE IF NOT EXISTS hr.tbl_vertragsbestandteil_lohnguide (
    stellenbezeichnung varchar(255),
    fachrichtung_kurzbz character varying(32) NOT NULL,
    modellstelle_kurzbz character varying(32) NOT NULL,
-    kommentar_person varchar(255),
-    kommentar_modellstelle varchar(255),
+    kommentar_person text,
+    kommentar_modellstelle text,
    CONSTRAINT tbl_vertragsbestandteil_lohnguide_pk PRIMARY KEY (vertragsbestandteil_id),
 	CONSTRAINT tbl_vertragsbestandteil_fk FOREIGN KEY (vertragsbestandteil_id) REFERENCES hr.tbl_vertragsbestandteil (vertragsbestandteil_id) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
 	CONSTRAINT tbl_vertragsbestandteil_lohnguide_fachrichtung_fk FOREIGN KEY (fachrichtung_kurzbz) REFERENCES hr.tbl_lohnguide_fachrichtung (fachrichtung_kurzbz) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
@@ -41761,7 +41761,7 @@ array(
 	array(
 		'app' => 'core',
 		'category' => 'abgabetool',
-		'phrase' => 'c4fehlerAktualitaetProjektarbeit ',
+		'phrase' => 'c4fehlerAktualitaetProjektarbeit',
 		'insertvon' => 'system',
 		'phrases' => array(
 			array(
@@ -58177,6 +58177,26 @@ I have been informed that I am under no obligation to consent to the transmissio
 		)
 	),
 	// ### Phrases Dashboard Admin END
+	array(
+		'app' => 'core',
+		'category' => 'ui',
+		'phrase' => 'error_invalidId',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Id {id} ungültig',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Invalid Id {id}',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	)
 );
Author	SHA1	Message	Date
Alexei Karpenko	2076752f40	Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features	2026-05-26 13:30:13 +02:00
Harald Bamberger	cb7a0f7669	Merge branch 'feature-70376/Lohnguide'	2026-05-13 11:53:14 +02:00
Harald Bamberger	68d97a5e97	handle case where old value or new value and not both are null explicitly in markDirty Method	2026-05-13 11:42:25 +02:00
Harald Bamberger	d27071528f	revert change to comparision in markDirty Method	2026-05-13 11:16:18 +02:00
Harald Bamberger	17772c3738	Merge branch 'master' into feature-70376/Lohnguide	2026-05-13 11:15:07 +02:00
Harald Bamberger	bbb4f8a01c	Merge branch 'bug-76146/studvw_karteireiter_dokumente_akzeptiert_eintraege_ohne_vorhandenes_dokument'	2026-05-06 16:13:50 +02:00
Harald Bamberger	fdbb93a5c5	bugfix download booking receipt failed. only fetch oehbeitrag from bis.tbl_oehbeitrag if a user is logged in	2026-05-05 14:36:07 +02:00
Harald Bamberger	b7e48633ab	Merge branch 'master' into bug-76146/studvw_karteireiter_dokumente_akzeptiert_eintraege_ohne_vorhandenes_dokument	2026-05-05 13:33:38 +02:00
Harald Bamberger	04dc1eb07b	Merge branch 'bug-76519/StudVW_Messages_Table_column_Stati'	2026-05-05 13:04:58 +02:00
Harald Bamberger	50b229090b	prefetch phrases and then render filter component instead of redrawing the table	2026-05-05 13:04:11 +02:00
Harald Bamberger	2d27a998c4	Merge branch 'bug-76109/VVW_Details_und_Status_not_Loading'	2026-05-05 11:17:49 +02:00
Harald Bamberger	090e535466	add header filters, increase height of tables, use correct category for phrase lehreinheit_id	2026-05-05 11:04:48 +02:00
Harald Bamberger	c4d35181db	Merge branch 'master' into bug-76109/VVW_Details_und_Status_not_Loading	2026-05-05 09:01:49 +02:00
Harald Bamberger	0ac6ef4599	Merge branch 'feature-62607/konto_oh_beitrag_betrag_aus_eigener_tabelle'	2026-05-05 08:46:22 +02:00
Werner Masik	7f13c128f1	allow null value for vordienstzeit; changed comparison in markDirty to !== (because of 0 vs. null issue)	2026-05-04 20:35:51 +02:00
Harald Bamberger	cb60ddcc94	Merge branch 'master' into feature-62607/konto_oh_beitrag_betrag_aus_eigener_tabelle	2026-05-04 15:41:52 +02:00
Harald Bamberger	bd4ced9559	bugfix: comma as decimal separator prevents saving booking, bugfix messages tinymce not resizeable	2026-05-04 14:39:19 +02:00
Andreas Österreicher	a04d2acb86	Fixed Blank on Phrase for Abgabetool	2026-05-04 10:49:33 +02:00
Harald Bamberger	de2aabf00b	readd dokument preview link to api response	2026-05-04 09:30:16 +02:00
ma0068	685fc69e5d	update css and add provisional height	2026-04-30 18:02:38 +02:00
Werner Masik	58a921b500	changed lohnguide kommentar data type to text	2026-04-30 09:47:12 +02:00
Alexei Karpenko	0c002b3969	issue checker: added space between heading and refresh symbol, removed px class for more flexibility	2026-04-29 16:13:46 +02:00
Alexei Karpenko	2307565696	Plausicheckresolverlib: changed comment	2026-04-20 15:37:08 +02:00
ma0068	26db4a5e7a	adding redraw tabulator and fallback to avoid empty column	2026-04-20 09:31:52 +02:00
Alexei Karpenko	ace2057166	Plausichecks InaktiverStudentAktiverStatus, ZuVieleZweckeIncomingPlausi: ptimized for issue production without Datenverbund, semester for resolving InaktiverStudentAktiverStatus optional	2026-04-17 16:01:33 +02:00
Alexei Karpenko	2428589bca	Issues: Geburtsnation fehlt, Falscher Incoming Zweck: added person Id, added issue checker component to Studierendenverwaltung header, added comments to issues, set some issues to self-resolving, Plausicheck GUI: issues from core, dvuh and bis are displayed	2026-04-16 02:12:01 +02:00
ma0048	21d80905a2	akzeptierte dokumente anzeigen, auch wenn kein dokument vorhanden ist	2026-04-13 13:04:46 +02:00
Alexei Karpenko	953a04f24a	added person id param to core plausichecks	2026-04-13 11:37:36 +02:00
Alexei Karpenko	82d640b1f4	plausichecks: uhstatpersonenkennungfehlt issue: removed oe_kurzbz, added datenverbund issues to core plausicheck gui	2026-04-03 11:52:22 +02:00
ma0068	298dbbf400	use context vm for tabulator event, refactor function toggleRowClick, delete unused commented sections	2026-04-02 10:58:49 +02:00
Alexei Karpenko	5b4e632526	issues, plausichecks: added producer for some core issues, producer lib: fehler with no config mappings are just ignored, plausicheck page optimizations (sorting etc)	2026-03-25 11:44:36 +01:00
Alexei Karpenko	5c2038fb79	Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features	2026-03-19 16:54:05 +01:00
Alexei Karpenko	1b400f7d42	issuechecker: made details list optional, producer_controller: default value for apps	2026-02-12 22:36:42 +01:00
Alexei Karpenko	43811d5724	fehler/issue monitoring: enabled resolving/producing by app only, improved error messages, code layout, removed error: fehler to produce is not defined in config	2026-02-12 14:46:49 +01:00
Alexei Karpenko	4c03668082	PlausiIssueProducer Controller: added default run method	2026-02-10 17:34:17 +01:00
Alexei Karpenko	10d52caa98	Issue system: adapted to work with multiple apps per fehler	2026-02-03 15:39:11 +01:00
Alexei Karpenko	2de6278603	IssueChecker: changed expected prop type of isseListStyle and issueListStyleBreakpoints	2026-01-29 11:46:52 +01:00
Alexei Karpenko	85db467cff	issuechecker: layout, commented out _app property	2026-01-28 17:50:37 +01:00
Alexei Karpenko	1c65d6e076	plausicheckproducerlib, plausicheckresolverlib: added comments, resolver lib: loading producer lib only when calling resolvePlausicheckIssues, because producerlib is only needed for self-resolving logic in the resolvePlausicheckIssues method	2026-01-28 17:49:06 +01:00
Alexei Karpenko	f72ea1a655	Pausicheckproducerlib: loading fehler config files with php without code igniter, due to naming index conflicts	2026-01-28 17:28:10 +01:00
Alexei Karpenko	413ccba64b	fehler.php config: changed some fehler to warnings	2026-01-23 14:18:33 +01:00
Alexei Karpenko	9ccbb7b9e2	issuechecker: detailed issue list on click	2026-01-21 16:16:33 +01:00
Alexei Karpenko	d6803a3947	Fehler update: enabled updating of fehler columns, added insertaum, insertvon, updateamum, insertvon	2026-01-20 18:56:43 +01:00
Alexei Karpenko	545e2b0445	Fehlerupdate: additional extension check, fehler_kurzbz optional	2026-01-20 17:02:47 +01:00
Alexei Karpenko	131ec86dee	fehlerupdate: added check for app (existing in database?), code layout	2026-01-19 15:27:54 +01:00
Alexei Karpenko	cd03264ab4	Fehler: added fehlerupdate for adding missing fehler from config files to database	2026-01-16 13:09:11 +01:00
Alexei Karpenko	c6232f7959	plausicheckresolver bugfixes, removed CONFIG_FEHLER_FILENAME constants	2026-01-15 17:08:05 +01:00
Alexei Karpenko	cf2cc796b3	plausicheckproducerlib: extension fehler config files are loaded using code igniter	2026-01-15 16:26:16 +01:00
Alexei Karpenko	475888d4ac	Merge branch 'master' into feature-68834/Fehlermonitoring_Issues_weitere_features	2026-01-14 16:52:55 +01:00
Alexei Karpenko	4b8b3c90fb	plausicheck resolver: by default, all issues for fehlercodes provided in constructor are resolved	2026-01-14 16:15:33 +01:00
Alexei Karpenko	b168ebb5f6	issues: changed logic to read producable issues from config file	2026-01-14 14:13:23 +01:00
Alexei Karpenko	a259db2e7b	issues: renamed method PersonenMitOffenenIssues, added expose to components	2025-12-19 16:09:38 +01:00
Alexei Karpenko	3e77d80d26	Issues: added possibility to display issues only when user is hauptzustaendig	2025-12-18 15:19:02 +01:00
Alexei Karpenko	2d71a436f6	IssueList: possible to pass endpoint dynamically	2025-12-16 17:30:25 +01:00
Alexei Karpenko	026bd6e247	moved issues controller to another folder	2025-12-15 18:00:05 +01:00
Alexei Karpenko	9c37215e62	issues: added issue controller for displaying issues, added issuechecker controller and component	2025-12-15 17:20:56 +01:00
Alexei Karpenko	733a6a8c15	issues: added vue component for displaying issues in a table	2025-11-26 16:28:16 +01:00
Alexei Karpenko	a24483188b	issueproducer: use next studiensemester as well to avoid problems with semester august gap	2025-11-26 16:24:30 +01:00
ma0048	ba6224bc78	oeh betrag aus der eigener tabelle holen studentenverwaltung bei jedem studiensemester wechsel fas nur einmalig ueber die variable	2025-09-02 11:18:24 +02:00