Plugin isn't working – not appears

The plugin now it shows only a blank space, until yesterday all ok. The plugin appears for a moment and then disappears. I have same problem of: https://www.ads-software.com/support/topic/plugin-isnt-working-6?replies=1

I comment in that post, but my comment was removed.

Can help me?

https://www.ads-software.com/plugins/facebook-comments-plugin/