From 7000c721f616da7a6f16a461bace923fba654be3 Mon Sep 17 00:00:00 2001
From: Ron Lucke <lucke@elan-ev.de>
Date: Mon, 23 Mar 2026 14:44:29 +0100
Subject: fix #6394

---
 .../components/courseware/structural-element/CoursewareTreeItem.vue | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue b/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue
index 9ef0b13..ff8e811 100644
--- a/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue
+++ b/resources/vue/components/courseware/structural-element/CoursewareTreeItem.vue
@@ -126,6 +126,8 @@ import CoursewareTreeItemAdder from './CoursewareTreeItemAdder.vue';
 import CoursewareTreeItemUpdater from './CoursewareTreeItemUpdater.vue';
 import draggable from 'vuedraggable';
 
+import { datetime } from '@/assets/javascripts/lib/datetime';
+
 import { mapGetters, mapActions } from 'vuex';
 
 export default {
@@ -249,12 +251,12 @@ export default {
         },
         visibleStartEndDate() {
             if (this.hasReleaseOrWithdrawDate) {
-                const startDate = STUDIP.DateTime.getStudipDate(
+                const startDate = datetime.getStudipDate(
                     new Date(this.element.attributes?.['visible-start-date']),
                     false,
                     true
                 );
-                const endDate = STUDIP.DateTime.getStudipDate(
+                const endDate = datetime.getStudipDate(
                     new Date(this.element.attributes?.['visible-end-date']),
                     false,
                     true
-- 
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