From 86b660e4029bf2173e375775e8cec555bcfdf869 Mon Sep 17 00:00:00 2001
From: Andreas Schmieder <andreas.schmieder@googlemail.com>
Date: Thu, 10 Apr 2025 13:55:50 +0200
Subject: [PATCH] fixed group bug

---
 Custom/Kernel/System/TextModule.pm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Custom/Kernel/System/TextModule.pm b/Custom/Kernel/System/TextModule.pm
index 30780a7..36a9d7d 100755
--- a/Custom/Kernel/System/TextModule.pm
+++ b/Custom/Kernel/System/TextModule.pm
@@ -676,9 +676,11 @@ sub HasPermission {
 
         push(@NeededGroupPermissions, keys(%GroupList));
     }
-
+    
     # Remove empty, nested arrays
-    @NeededGroupPermissions = grep { ref($_) eq 'ARRAY' && @$_ } @NeededGroupPermissions;
+    @NeededGroupPermissions = grep {
+        (!ref($_) && defined($_)) || (ref($_) eq 'ARRAY' && @$_)
+    } @NeededGroupPermissions;
 
     if (scalar(@NeededGroupPermissions) == 0) {
         return 1;