line 1132 of DataTree.php: if (!empty($app)) { require_once $GLOBALS['registry']->getParam('fileroot', $app) . '/lib/DataTree/' . $driver . '.php'; apart from the fact that $app does not seem to exists ever in this function, do we ever have an app specific DataTree driver? -- Marko Djukic Horde Project (http://horde.org)