From dcf482eee653b5cd6bca8deb6b9c08a5708ddd30 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Sch=C3=BCttl=C3=B6ffel?=
 <schuettloeffel@zqs.uni-hannover.de>
Date: Tue, 26 Mar 2024 14:37:37 +0000
Subject: [PATCH] Resolve "Wiki: Incorrect integer value: '-' for column
 `studip`.`wiki_pages`.`parent_id` at row 1"

Closes #3899

Merge request studip/studip!2761
---
 app/controllers/course/wiki.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/course/wiki.php b/app/controllers/course/wiki.php
index 421617cc1aa..7a3a09ed31f 100644
--- a/app/controllers/course/wiki.php
+++ b/app/controllers/course/wiki.php
@@ -736,7 +736,7 @@ class Course_WikiController extends AuthenticatedController
         $parent_id = $parent_id ?? $this->range->getConfiguration()->WIKI_STARTPAGE_ID;
         PageLayout::setTitle(_('Neue Wikiseite erstellen'));
         $options = [
-            '-' => _('Keine')
+            '' => _('Keine')
         ];
         WikiPage::findEachBySQL(
             function (WikiPage $p) use (&$options) {
-- 
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