Have this error popping up, after upgrading Views module to the latest:
Notice: Undefined property: views_ifempty_handler_field::$last_render in views_ifempty_handler_field->render() (line 121 of ...\views_ifempty\includes\views\handlers\views_ifempty_handler_field.inc).
Closed: outdated
1.0
Code
Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.