Error: Data structure returned is not convertible in the requested format. Try to call this method with the parameters '&format=original&serialize=1'; you will get the original php data structure serialized. The data structure looks like this: $data = array ( 0 => array ( 'name' => 'Dashboard', 'id' => 1, 'widgets' => array ( 0 => array ( 'module' => 'CoreHome', 'action' => 'renderWidgetContainer', ), 1 => array ( 'module' => 'Live', 'action' => 'getSimpleLastVisitCount', ), 2 => array ( 'module' => 'UserCountryMap', 'action' => 'visitorMap', ), 3 => array ( 'module' => 'VisitTime', 'action' => 'getByDayOfWeek', ), 4 => array ( 'module' => 'VisitTime', 'action' => 'getVisitInformationPerLocalTime', ), ), ), );