Thanks very much, @mtschirs!!!
I’m basically having the same problems. I changed nothing with the setup and suddenly I began to get errors and such randomly. I believe facebook may have changed something technically. I tried everything (even deleted the old facebook app i created and created a new one) nothing works.
Here is two images of two constant errors I’m getting:
http://d.pr/oiID
and here is what it says when I try to publish to facebook, knowing my setup with this plugin is correct….
http://d.pr/3y3o