return empty array if there is no placementtest instead of error

application/controllers/api/frontend/v1/stv/Aufnahmetermine.php

@@ -224,7 +224,11 @@ class Aufnahmetermine extends FHCAPI_Controller
 			)
 		);
 
-		$data = $this->getDataOrTerminateWithError($result);
+		//check if existing placementtest
+		if(!hasData($result))
+			$this->terminateWithSuccess([]);
+		else
+			$data = getData($result);
 
 		$studienplan_arr = [];
 		$include_ids = [];
@@ -238,7 +242,11 @@ class Aufnahmetermine extends FHCAPI_Controller
 		$person_id = $this->_getPersonId($prestudent_id);
 		$resultRt = $this->ReihungstestModel->getReihungstestPerson($person_id);
 
-		$dataRt = $this->getDataOrTerminateWithError($resultRt);
+		//check if existing placementtest
+		if(!hasData($result))
+			$this->terminateWithSuccess([]);
+		else
+			$dataRt = getData($resultRt);
 
 		foreach ($dataRt as $item)
 		{

public/js/components/Stv/Studentenverwaltung/Details/Aufnahmetermine/Aufnahmetermine.js

@@ -380,7 +380,9 @@ export default {
 		this.$api
 			.call(ApiStvAdmissionDates.getListPlacementTests(this.student.prestudent_id))
 			.then(result => {
-				this.listPlacementTests = this.filteredPlacementTests = result.data;
+				if(result.data)
+					this.listPlacementTests = this.filteredPlacementTests = result.data;
+
 			})
 			.catch(this.$fhcAlert.handleSystemError);