Next: if you are still having trouble, I would suggest making a new scribe with just 1 image and seeing if you can upload that to your facebook. (then you can delete it if you want to)
If that works then there may just be a problem with your other larger scribe:
I have tried to post to my fbpage...nothing is working...
before buying I would like to see how the reactions are...
INSTANT ANSWERS: can-t-upload-scribes-to-facebook
Next:
if you are still having trouble, I would suggest making a new scribe with just 1 image and seeing if you can upload that to your facebook. (then you can delete it if you want to)
If that works then there may just be a problem with your other larger scribe:
TIPS to Avoid or Fix Videoscribe freezes, crashes, slowdowns, failure to export, or erratic behaviours.
-Mike (videoscribe user)