Publisize is acting up

When scheduling posts for ahead of time (no more than couple hours) I noticed on facebook sometimes the image doesn’t go through… and lately most of the publicized posts look like this – says page not found, a wrong or no preview picture shows up

original post: https://www.krisandvikbooktherapycafe.com/2014/08/13/book-tour-giveaway-jaded-by-michelle-bellon/

Is there something I’m doing wrong or a plug-in that can correct this?

I always set a ‘feature image’ from the library