Hi, On 08/05/2014 04:52 PM, Michael Schams wrote: > array( > 'labels' => 'foo', > ) This won't work. Key 'labels' has to point to a LL file containing the labels 'mlang_tabs_tab' and 'mlang_labels_tabdescr'. You can take some existing backend module from typo3/sysext/ as example. greetings, Bernhard