Facebook returned an unexpected dataset. Try to resolve this issue, update the plugin or inform the author about the problem.
[Error occured at line 601]
Your application's access permissions could not be granted.
and other warning box:
Some or all access permissions are missing. Please click the button Grant access rights! and authorize the plugin to post to your Facebook profile or page.
[Error occured at line 778]
Your page or profile's access permissions could not be verified.
I've done anything but from one moment to other the plugin stopped his working.
I tried to do everything but the plugin is UPDATED, my WordPress is UPDATED and the setup is correct because were working yesterday.