diff --git a/application/controllers/api/frontend/v1/stv/Status.php b/application/controllers/api/frontend/v1/stv/Status.php
index f5e77b258..6bfd2b020 100644
--- a/application/controllers/api/frontend/v1/stv/Status.php
+++ b/application/controllers/api/frontend/v1/stv/Status.php
@@ -23,14 +23,14 @@ class Status extends FHCAPI_Controller
 			'loadStatus' => ['admin:r', 'assistenz:r'],
 			'insertStatus' => ['admin:rw', 'assistenz:rw'],
 			'updateStatus' => ['admin:rw', 'assistenz:rw'],
-			'advanceStatus' => ['admin:r', 'assistenz:r'],
+			'advanceStatus' => ['admin:rw', 'assistenz:rw'],
 			'confirmStatus' => ['admin:rw', 'assistenz:rw'],
 
 		]);
 
 		//Load Models
-		$this->load->model('crm/Prestudentstatus_model','PrestudentstatusModel');
-		$this->load->model('person/Person_model','PersonModel');
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+		$this->load->model('person/Person_model', 'PersonModel');
 
 		// Load Libraries
 		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
@@ -41,6 +41,7 @@ class Status extends FHCAPI_Controller
 			|| $this->router->method == 'updateStatus'
 			|| $this->router->method == 'confirmStatus'
 			|| $this->router->method == 'deleteStatus'
+			|| $this->router->method == 'advanceStatus'
 		) {
 			$prestudent_id = current(array_slice($this->uri->rsegments, 2));
 			$this->checkPermissionsForPrestudent($prestudent_id, ['admin:rw', 'assistenz:rw']);
@@ -1078,7 +1079,7 @@ class Status extends FHCAPI_Controller
 			[
 				'required',
 				['status_stud_exists', function ($value) use ($prestudent_id) {
-					if ($value != 'Student')
+					if ($value != Prestudentstatus_model::STATUS_STUDENT)
 						return true; // Only test if new status is Student
 					
 					$result = $this->prestudentstatuschecklib->checkIfExistingStudentRolle($prestudent_id);
@@ -1568,189 +1569,163 @@ class Status extends FHCAPI_Controller
 		return $this->outputJsonSuccess(true);
 	}
 
-	public function advanceStatus($key_prestudent_id, $key_status_kurzbz, $key_studiensemester_kurzbz, $key_ausbildungssemester)
+	public function advanceStatus($prestudent_id, $status_kurzbz, $key_studiensemester_kurzbz, $key_ausbildungssemester)
 	{
-		//get Studiengang von prestudent_id
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-		$result = $this->PrestudentModel->load([
-			'prestudent_id'=> $key_prestudent_id,
+		$result = $this->PrestudentstatusModel->load([
+			$key_ausbildungssemester,
+			$key_studiensemester_kurzbz,
+			$status_kurzbz,
+			$prestudent_id
 		]);
-		if(isError($result))
-		{
-			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		}
-		$result = current(getData($result));
+		$oldstatus = $this->getDataOrTerminateWithError($result);
+		if (!$oldstatus)
+			show_404(); // Status that should be updated does not exist
 
-		$stg = $result->studiengang_kz;
+		$oldstatus = current($oldstatus);
 
-		if(!$this->permissionlib->isBerechtigt('admin', 'suid', $stg) && !$this->permissionlib->isBerechtigt('assistenz', 'suid', $stg))
-		{
-			return $this->terminateWithError($this->p->t('lehre','error_keineSchreibrechte'), self::ERROR_TYPE_GENERAL);
-		}
-
-		//Data Vorrücken
-		$result = $this->PrestudentstatusModel->loadWhere(
-			array(
-				'prestudent_id' => $key_prestudent_id,
-				'status_kurzbz' => $key_status_kurzbz,
-				'ausbildungssemester' => $key_ausbildungssemester,
-				'studiensemester_kurzbz' => $key_studiensemester_kurzbz
-			)
-		);
-
-		if (isError($result))
-		{
-			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		}
-
-		elseif (!hasData($result))
-		{
-			return $this->terminateWithError($this->p->t('lehre','error_noStatusFound'), self::ERROR_TYPE_GENERAL);
-		}
-		else
-		{
-			$statusData = current(getData($result));
-		}
 
+		//Target studiensemester_kurzbz
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
 		$result = $this->StudiensemesterModel->getNextFrom($key_studiensemester_kurzbz);
 
-		if (isError($result))
-		{
-			$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
-			return $this->outputJson(getError($result));
-		}
-		$studiensem_next = current(getData($result));
-		$studiensem_next = $studiensem_next->studiensemester_kurzbz;
+		$studiensemester_kurzbz = $this->getDataOrTerminateWithError($result);
+		$studiensemester_kurzbz = current($studiensemester_kurzbz)->studiensemester_kurzbz;
+
+
+		//Target ausbildungssemester
+		$ausbildungssemester = $key_ausbildungssemester + 1;
 
-		$ausbildungssem_next = $key_ausbildungssemester+1;
 
 		//Form Validation
 		$this->load->library('form_validation');
+		
+		$this->form_validation->set_data([
+			'status_kurzbz' => $status_kurzbz
+		]);
 
-		$last_status_kurzbz = $lastStatusData->status_kurzbz; // TODO(chris): copy pasta!
-
-		$this->form_validation->set_rules('_global', '', [
-			//check if Rolle already exists
-			['checkIfExistingPrestudentRolle', function () use (
-				$key_prestudent_id,
-				$key_status_kurzbz,
-				$studiensem_next,
-				$ausbildungssem_next
-			) {
-				$result = $this->prestudentstatuschecklib->checkIfExistingPrestudentRolle(
-					$key_prestudent_id,
-					$key_status_kurzbz,
-					$studiensem_next,
-					$ausbildungssem_next
-				);
-				return $this->getDataOrTerminateWithError($result);
-			}],
-			['status_stud_exists', function () use ($key_prestudent_id, $key_status_kurzbz, $last_status_kurzbz) {
-				if ($key_status_kurzbz != Prestudentstatus_model::STATUS_STUDENT
-					&& $key_status_kurzbz != Prestudentstatus_model::STATUS_DIPLOMAND
-					&& $last_status_kurzbz != Prestudentstatus_model::STATUS_STUDENT
-				)
+		$this->form_validation->set_rules('status_kurzbz', $this->p->t('lehre', 'status_rolle'), [
+			'in_list[' .
+				Prestudentstatus_model::STATUS_STUDENT . ',' .
+				Prestudentstatus_model::STATUS_DIPLOMAND . ',' .
+				Prestudentstatus_model::STATUS_UNTERBRECHER . ']',
+			['status_stud_exists', function ($value) use ($prestudent_id) {
+				if ($value != Prestudentstatus_model::STATUS_STUDENT)
 					return true;
 				
-				$result = $this->prestudentstatuschecklib->checkIfExistingStudentRolle($key_prestudent_id);
+				$result = $this->prestudentstatuschecklib->checkIfExistingStudentRolle($prestudent_id);
 
 				return $this->getDataOrTerminateWithError($result);
 			}]
 		], [
-			'checkIfExistingPrestudentRolle' => $this->p->t('lehre', 'error_rolleBereitsVorhanden'),
 			'status_stud_exists' => $this->p->t('lehre', 'error_noStudstatus')
 		]);
 		
+		$this->form_validation->set_rules('_default', '', [
+			//check if Rolle already exists
+			['rolle_doesnt_exist', function () use (
+				$prestudent_id,
+				$status_kurzbz,
+				$studiensemester_kurzbz,
+				$ausbildungssemester
+			) {
+				$result = $this->PrestudentstatusModel->load([$ausbildungssemester, $studiensemester_kurzbz, $status_kurzbz, $prestudent_id]);
+
+				return !$this->getDataOrTerminateWithError($result);
+			}]
+		], [
+			'rolle_doesnt_exist' => $this->p->t('lehre', 'error_rolleBereitsVorhanden')
+		]);
+		
 		if (!$this->form_validation->run())
 			$this->terminateWithValidationErrors($this->form_validation->error_array());
 
-		//check if studentrolle already exists
-		// if($key_status_kurzbz == Prestudentstatus_model::STATUS_STUDENT)
-		// {
-		// 	$this->load->model('crm/Student_model', 'StudentModel');
-		// 	$result = $this->StudentModel->checkIfExistingStudentRolle($key_prestudent_id);
-		// 	if (isError($result))
-		// 	{
-		// 		return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		// 	}
-		// 	if ($result->retval == "0")
-		// 	{
-		// 		return $this->terminateWithError($this->p->t('lehre','error_noStudstatus'), self::ERROR_TYPE_GENERAL);
-		// 	}
-		// }
 
 		// Start DB transaction
 		$this->db->trans_begin();
 
+		$authUID = getAuthUID();
+		$now = date('c');
+
 		//insert prestudentstatus
-		$uid = getAuthUID();
-		$result = $this->PrestudentstatusModel->insert(
-			[
-				'prestudent_id' => $key_prestudent_id,
-				'status_kurzbz' => $key_status_kurzbz,
-				'studiensemester_kurzbz' => $studiensem_next,
-				'ausbildungssemester' => $ausbildungssem_next,
-				'insertamum' => date('c'),
-				'insertvon' => $uid,
-				'bestaetigtam' => date('c'),
-				'bestaetigtvon' => $uid,
-				'studienplan_id' => $statusData->studienplan_id,
-				'datum' => date('c'),
-				'anmerkung' => $statusData->anmerkung
-			]
-		);
+		$result = $this->PrestudentstatusModel->insert([
+			'prestudent_id' => $prestudent_id,
+			'status_kurzbz' => $status_kurzbz,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'ausbildungssemester' => $ausbildungssemester,
+			'datum' => $now,
+			'insertamum' => $now,
+			'insertvon' => $authUID,
+			'orgform_kurzbz' => $oldstatus->orgform_kurzbz,
+			'studienplan_id' => $oldstatus->studienplan_id,
+			'bestaetigtam' => $now,
+			'bestaetigtvon' => $authUID,
+			'anmerkung' => $oldstatus->anmerkung
+		]);
 
-		if (isError($result))
-		{
-			$this->db->trans_rollback();
-			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		}
+		$this->getDataOrTerminateWithError($result);
 
+
+		//get student_uid
 		$this->load->model('crm/Student_model', 'StudentModel');
-		$result = $this->StudentModel->checkIfUid($key_prestudent_id);
-		if(isError($result))
-		{
-			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		}
-		if (!hasData($result))
-		{
-			$this->terminateWithError($this->p->t('studierendenantrag','error_no_student_for_prestudent', ['prestudent_id' => $prestudent_id]), self::ERROR_TYPE_GENERAL);
-		}
-		$student_uid = $result->retval;
+		$result = $this->StudentModel->loadWhere([
+			'prestudent_id' => $prestudent_id
+		]);
 
+		$student = $this->getDataOrTerminateWithError($result);
+
+		if (!$student)
+			$this->terminateWithError($this->p->t('studierendenantrag', 'error_no_student_for_prestudent', ['prestudent_id' => $prestudent_id]));
+
+		
 		//process studentlehrverband
 		$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
-		$result = $this->StudentlehrverbandModel->loadWhere(
-			array(
-				'student_uid' => $student_uid,
-				'studiensemester_kurzbz' => $key_studiensemester_kurzbz
-			)
-		);
-		if (isError($result))
-		{
-			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
-		}
+		$result = $this->StudentlehrverbandModel->load([
+			$key_studiensemester_kurzbz,
+			$student->student_uid
+		]);
+
+		$studentlvb = $this->getDataOrTerminateWithError($result);
+		if (!$studentlvb)
+			$this->terminateWithError($this->p->t('lehre', 'error_noStudentlehrverband'));
 
 		//Data of current Semester
-		$result = getData($result) ? : [];
-		$studentlvbData = current($result);
+		$studentlvb = current($studentlvb);
 
-		$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
-		$result = $this->StudentlehrverbandModel->processStudentlehrverband(
-			$student_uid,
-			$studentlvbData->studiengang_kz,
-			$ausbildungssem_next,
-			$studentlvbData->verband,
-			$studentlvbData->gruppe,
-			$studiensem_next
-		);
-		if ($this->db->trans_status() === false || isError($result))
-		{
-			$this->db->trans_rollback();
-			return $this->terminateWithError($this->p->t('lehre','error_duringInsertUpdateLehrverband'), self::ERROR_TYPE_GENERAL);
-		}
 
+		$newStudentlvb = [
+			'student_uid' => $studentlvb->student_uid,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'studiengang_kz' => $studentlvb->studiengang_kz,
+			'semester' => $studentlvb->semester,
+			'verband' => $studentlvb->verband,
+			'gruppe' => $studentlvb->gruppe,
+			'insertamum' => $now,
+			'insertvon' => $authUID,
+			'ext_id' => $studentlvb->ext_id
+
+		];
+
+
+		$this->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
+
+		$result = $this->LehrverbandModel->load([
+			$student->gruppe,
+			$student->verband,
+			$ausbildungssemester,
+			$student->studiengang_kz
+		]);
+
+		$lv = $this->getDataOrTerminateWithError($result);
+		if ($lv) {
+			$newStudentlvb['semester'] = $ausbildungssemester;
+		} // If there is no lehrverband just use the same as in the previous studiensemester
+
+
+		//add studentlehrverband
+		$result = $this->StudentlehrverbandModel->insert($newStudentlvb);
+
+		$this->getDataOrTerminateWithError($result);
+		
 		$this->db->trans_commit();
 
 		return $this->outputJsonSuccess(true);
@@ -1868,11 +1843,11 @@ class Status extends FHCAPI_Controller
 		$this->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
 		
 		$this->LehrverbandModel->addLimit(1);
-		$result = $this->LehrverbandModel->loadWhere([
-			'studiengang_kz' => $student->studiengang_kz,
-			'semester' => $ausbildungssemester,
-			'verband' => $student->verband,
-			'gruppe' => $student->gruppe
+		$result = $this->LehrverbandModel->load([
+			$student->gruppe,
+			$student->verband,
+			$ausbildungssemester,
+			$student->studiengang_kz
 		]);
 		$lv = $this->getDataOrTerminateWithError($result);
 
diff --git a/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js b/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js
index 6658e541e..146450341 100644
--- a/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js
+++ b/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js
@@ -116,59 +116,53 @@ export default{
 						minWidth: 150, // Ensures Action-buttons will be always fully displayed
 						formatter: (cell, formatterParams, onRendered) => {
 
-							let container = document.createElement('div');
+							const container = document.createElement('div');
 							container.className = "d-flex gap-2";
 
+							const data = cell.getData();
+
 							let button = document.createElement('button');
-							if (this.dataMeldestichtag && this.dataMeldestichtag > cell.getData().datum && !this.hasPermissionToSkipStatusCheck)
-								button.className = 'btn btn-outline-secondary btn-action';
-							else
-								button.className = 'btn btn-outline-secondary btn-action';
+							button.className = 'btn btn-outline-secondary btn-action';
 							button.innerHTML = '<i class="fa fa-forward"></i>';
 							button.title = 'Status vorrücken';
-							button.addEventListener(
-								'click',
-								() =>
-								this.actionAdvanceStatus(cell.getData().status_kurzbz, cell.getData().studiensemester_kurzbz, cell.getData().ausbildungssemester)
-							);
-							container.append(button);
-
-							button = document.createElement('button');
-							if (this.dataMeldestichtag && this.dataMeldestichtag > cell.getData().datum && !this.hasPermissionToSkipStatusCheck)
-								button.className = 'btn btn-outline-secondary btn-action';
-							else
-								button.className = 'btn btn-outline-secondary btn-action';
-							button.innerHTML = '<i class="fa fa-check"></i>';
-							button.title = 'Status bestätigen';
 							button.addEventListener('click', () =>
-								this.actionConfirmStatus(cell.getData().status_kurzbz, cell.getData().studiensemester_kurzbz, cell.getData().ausbildungssemester)
+								this.actionAdvanceStatus(data.status_kurzbz, data.studiensemester_kurzbz, data.ausbildungssemester)
 							);
-							if (cell.getData().bestaetigtam || !cell.getData().bewerbung_abgeschicktamum)
+							if (!['Student', 'Diplomand', 'Unterbrecher'].includes(data.status_kurzbz))
 								button.disabled = true;
 							container.append(button);
 
 							button = document.createElement('button');
-							if (this.dataMeldestichtag && this.dataMeldestichtag > cell.getData().datum && !this.hasPermissionToSkipStatusCheck)
-								button.className = 'btn btn-outline-secondary btn-action';
-							else
-								button.className = 'btn btn-outline-secondary btn-action';
-							button.innerHTML = '<i class="fa fa-edit"></i>';
-							button.title = 'Status bearbeiten';
-							button.addEventListener('click', (event) =>
-								this.actionEditStatus(cell.getData().status_kurzbz, cell.getData().studiensemester_kurzbz, cell.getData().ausbildungssemester)
+							button.className = 'btn btn-outline-secondary btn-action';
+							button.innerHTML = '<i class="fa fa-check"></i>';
+							button.title = 'Status bestätigen';
+							button.addEventListener('click', () =>
+								this.actionConfirmStatus(data.status_kurzbz, data.studiensemester_kurzbz, data.ausbildungssemester)
 							);
+							if (data.bestaetigtam || !data.bewerbung_abgeschicktamum)
+								button.disabled = true;
 							container.append(button);
 
 							button = document.createElement('button');
-							if (this.dataMeldestichtag && this.dataMeldestichtag > cell.getData().datum && !this.hasPermissionToSkipStatusCheck)
-								button.className = 'btn btn-outline-secondary btn-action';
-							else
-								button.className = 'btn btn-outline-secondary btn-action';
+							button.className = 'btn btn-outline-secondary btn-action';
+							button.innerHTML = '<i class="fa fa-edit"></i>';
+							button.title = 'Status bearbeiten';
+							button.addEventListener('click', () =>
+								this.actionEditStatus(data.status_kurzbz, data.studiensemester_kurzbz, data.ausbildungssemester)
+							);
+							if (this.dataMeldestichtag && this.dataMeldestichtag > data.datum && !this.hasPermissionToSkipStatusCheck)
+								button.disabled = true;
+							container.append(button);
+
+							button = document.createElement('button');
+							button.className = 'btn btn-outline-secondary btn-action';
 							button.innerHTML = '<i class="fa fa-xmark"></i>';
 							button.title = 'Status löschen';
 							button.addEventListener('click', () =>
-								this.actionDeleteStatus(cell.getData().status_kurzbz, cell.getData().studiensemester_kurzbz, cell.getData().ausbildungssemester)
+								this.actionDeleteStatus(data.status_kurzbz, data.studiensemester_kurzbz, data.ausbildungssemester)
 							);
+							if (this.dataMeldestichtag && this.dataMeldestichtag > data.datum && !this.hasPermissionToSkipStatusCheck)
+								button.disabled = true;
 							container.append(button);
 
 							return container;
@@ -291,16 +285,17 @@ export default{
 				.catch(this.$fhcAlert.handleSystemError);
 		},
 		actionAdvanceStatus(status, stdsem, ausbildungssemester) {
-			this.statusId = {
-				'prestudent_id': this.modelValue.prestudent_id,
-				'status_kurzbz': status,
-				'studiensemester_kurzbz': stdsem,
-				'ausbildungssemester': ausbildungssemester
+			const statusId = {
+				prestudent_id: this.modelValue.prestudent_id,
+				status_kurzbz: status,
+				studiensemester_kurzbz: stdsem,
+				ausbildungssemester: ausbildungssemester
 			};
-			this.loadStatus(this.statusId).then(() => {
-				if(this.statusData)
-					this.advanceStatus(this.statusId);
-			});
+			this.$fhcApi
+				.post('api/frontend/v1/stv/status/advanceStatus/' + Object.values(statusId).join('/'))
+				.then(() => this.$fhcAlert.alertSuccess(this.$p.t('ui', 'successAdvance')))
+				.then(this.reload)
+				.catch(this.$fhcAlert.handleSystemError);
 		},
 		actionConfirmStatus(status, stdsem, ausbildungssemester) {
 			BsConfirm
@@ -316,32 +311,6 @@ export default{
 				.then(this.reload)
 				.catch(this.$fhcAlert.handleSystemError);
 		},
-		advanceStatus(statusId) {
-			return this.$fhcApi.post('api/frontend/v1/stv/status/advanceStatus/' +
-				this.statusId.prestudent_id + '/' +
-				this.statusId.status_kurzbz + '/' +
-				this.statusId.studiensemester_kurzbz + '/' +
-				this.statusId.ausbildungssemester)
-				.then(
-					result => {
-						this.$fhcAlert.alertSuccess(this.$p.t('ui', 'successAdvance'));
-					})
-				.catch(this.$fhcAlert.handleSystemError)
-				.finally(() => {
-					window.scrollTo(0, 0);
-					this.reload();
-				});
-		},
-		loadStatus(status_id) {
-			this.statusNew = false;
-			return this.$fhcApi.post('api/frontend/v1/stv/status/loadStatus/',
-				status_id)
-					.then(result => {
-							this.statusData = result.data;
-						return result;
-					})
-				.catch(this.$fhcAlert.handleSystemError);
-		},
 		reload() {
 			if (this.$refs.table)
 				this.$refs.table.reloadTable();