From 87c7968db6c1fdbd5e75399704a6ea18123fd821 Mon Sep 17 00:00:00 2001
From: Jan-Hendrik Willms <tleilax+studip@gmail.com>
Date: Thu, 15 Aug 2024 06:43:43 +0000
Subject: [PATCH] check if variable exists before accessing it, fixes #4480

Closes #4480

Merge request studip/studip!3265
---
 lib/classes/AutoInsert.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/classes/AutoInsert.php b/lib/classes/AutoInsert.php
index b5cc00553c9..89d87da498d 100644
--- a/lib/classes/AutoInsert.php
+++ b/lib/classes/AutoInsert.php
@@ -111,7 +111,7 @@ class AutoInsert
         foreach ($domains as $domain) {
 
             $key = $domain . '.' . $status;
-            if (is_array($this->settings[$key])) {
+            if (isset($this->settings[$key]) && is_array($this->settings[$key])) {
                 foreach ($this->settings[$key] as $id => $value) {
                     $settings[$id] = $value;
                 }
-- 
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