Fixed outside calls throwing an error for interactive dropdowns

diff --git a/wcfsetup/install/files/js/WCF.User.js b/wcfsetup/install/files/js/WCF.User.js
index aa1d4ef296450308a7b5c6764e08b66fbf387442..6e7584d2c553f44c02a1f3b58d1e5292760b89ad 100644 (file)
--- a/wcfsetup/install/files/js/WCF.User.js
+++ b/wcfsetup/install/files/js/WCF.User.js
@@ -405,7 +405,11 @@ WCF.User.Panel.Abstract = Class.extend({
         * Resets the dropdown's inner item list.
         */
        resetItems: function() {
-               this._dropdown.resetItems();
+               // this method could be called from outside, but the dropdown was never
+               // toggled and thus never initialized
+               if (this._dropdown !== null) {
+                       this._dropdown.resetItems();
+               }
        }
 });