Ich erhalte beim Aufruf von magnalister folgende Fehlermeldungen:

WARNING(2): "require_once(/.../lang/german/modules/shipping/) [function.require-once]: failed to open stream: Success" in /.../admin/includes/magnalister/php/lib/configFunctions.php:141 (Details)
 

Fatal error: require_once() [function.require]: Failed opening required '/.../lang/german/modules/shipping/' (include_path='.:/usr/lib/php5') in /.../admin/includes/magnalister/php/lib/configFunctions.php on line 141

Was muss ich tun?