Widgets don't work | Forum

Hi, I have a Serious Problem, when you try perememtit widget error: " Fatal error: Access level to BASE_CTRL_AjaxComponentEntityPanel::deleteComponent() must be public (as in class OW_Renderable) in http/ow_system_plugins/base/controllers/ajax_component_entity_panel.php on line 32" And this page is not saved. Help!