The Facebook integration module has been updated. The social network has recently updated their API, requiring certain data to be sent.
This patch does fulfill their new requrement, so now your subscribers can invite their Facebook friends over to your Pintastic website.
Please log in to your account on Pintastic.com, go to Downloads > Updates and patches, and request your download.
The fix has also been added to the complete Pintastic v.2.3 package.