1 files changed, 1 insertions, 1 deletions
diff --git a/lib/classes/StudipTreeNodeCachableTrait.php b/lib/classes/StudipTreeNodeCachableTrait.php
index 31823ac..d40cf70 100644
--- a/lib/classes/StudipTreeNodeCachableTrait.php
+++ b/lib/classes/StudipTreeNodeCachableTrait.php
@@ -37,7 +37,7 @@ trait StudipTreeNodeCachableTrait
         return $config;
     }
 
-    protected function getDescendantIds(): array
+    public function getDescendantIds(): array
     {
         $cache = self::getDescendantsCacheArray();