Undefined index: editable

finally, i complete(?) the config of fullcalendar.
but, when i look the view of the calendar, obtain some notices. im using google calendar with fullcalendar

Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).
Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).
Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).
Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).
Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).
Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).
Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).
Notice: Undefined index: editable in fullcalendar_handler_field_gcal->render() (line 56 of /home/me/dev-local/eGob/drupal-7.12/sites/all/modules/fullcalendar/includes/views/handlers/fullcalendar_handler_field_gcal.inc).