refs #14803

* fixes bug in pickTitle()

module/finc/src/finc/Hierarchy/TreeDataFormatter/NoCollections.php

@@ -43,4 +43,14 @@ class NoCollections extends \VuFind\Hierarchy\TreeDataFormatter\Json
         //always return false to ensure Record-Links only
         return false;
     }
+
+    protected function pickTitle($record, $parentID)
+    {
+        if (is_null($parentID)) {
+            return isset($record->title) ? $record->title : $record->id;
+        }
+        else {
+            return parent::pickTitle($record, $parentID);
+        }
+    }
 }