diff --git a/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js b/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js
index d427f8728..3bb4da6fa 100644
--- a/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js
+++ b/public/js/components/Stv/Studentenverwaltung/Details/Prestudent/MultiStatus.js
@@ -355,6 +355,7 @@ export default{
 					:show-toolbar-student="showToolbarStudent"
 					:show-toolbar-interessent="showToolbarInteressent"
 					:prestudent-ids="prestudentIds"
+					:max-sem="maxSem"
 					@reload-table="reload"
 				>		
 				</status-dropdown>
@@ -369,6 +370,7 @@ export default{
 				:show-toolbar-student="showToolbarStudent"
 				:show-toolbar-interessent="showToolbarInteressent"
 				:prestudent-ids="prestudentIds"
+				:max-sem="maxSem"
 				@reload-table="reload"
 				>		
 			</status-dropdown>
diff --git a/public/js/components/Stv/Studentenverwaltung/Details/Status/Dropdown.js b/public/js/components/Stv/Studentenverwaltung/Details/Status/Dropdown.js
index fe3d4a9bb..389f00da8 100644
--- a/public/js/components/Stv/Studentenverwaltung/Details/Status/Dropdown.js
+++ b/public/js/components/Stv/Studentenverwaltung/Details/Status/Dropdown.js
@@ -30,6 +30,10 @@ export default {
 			type: Array,
 			required: true,
 			default: () => []
+		},
+		maxSem: {
+			type: Number,
+			required: true
 		}
 	},
 	data() {
@@ -201,17 +205,35 @@ export default {
 		},
 		promtAusbildungssemester(status, statusgrund_id) {
 			const count = this.prestudentIds.length;
-			return BsPrompt
-				.popup(this.$p.t(
-					'lehre',
-					count > 1 ? 'modal_askAusbildungssemPlural' : 'modal_askAusbildungssem',
-					{ count, status }
-				))
-				.then(ausbildungssemester => ({
-					status_kurzbz: status,
-					ausbildungssemester,
-					statusgrund_id
-				}));
+
+			const askForSemester = () => {
+				return BsPrompt
+					.popup(this.$p.t(
+						'lehre',
+						count > 1 ? 'modal_askAusbildungssemPlural' : 'modal_askAusbildungssem',
+						{ count, status }
+					))
+					.then(input => {
+						const ausbildungssemester = parseInt(input, 10);
+						//check if valid number
+						if ((!/^\d+$/.test(input) || ausbildungssemester < 0)) {
+							this.$fhcAlert.alertError(this.$p.t('ui', 'error_noInteger'));
+
+							return askForSemester();
+						}
+						if (ausbildungssemester > this.maxSem) {
+							this.$fhcAlert.alertError(this.$p.t('ui', 'error_maxSem'));
+
+							return askForSemester();
+						}
+						return {
+							status_kurzbz: status,
+							ausbildungssemester,
+							statusgrund_id
+						};
+					});
+			};
+			return askForSemester();
 		},
 		changeStatus(data) {
 			Promise
diff --git a/system/phrasesupdate.php b/system/phrasesupdate.php
index e6e56fc33..d2ff3f552 100644
--- a/system/phrasesupdate.php
+++ b/system/phrasesupdate.php
@@ -30907,7 +30907,46 @@ array(
 			)
 		)
 	),
-
+	array(
+		'app' => 'core',
+		'category' => 'ui',
+		'phrase' => 'error_noInteger',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Nur Eingabe von ganzen Zahlen erlaubt',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Error: Only input of whole numbers allowed',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'ui',
+		'phrase' => 'error_maxSem',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Ausbildungssemester nicht zulässig: größer als Höchstsemester',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Error: Semester not allowed: higher than max Semester',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
 );