Fatal Error when using Social Share
I clicked Share on my discussion in order to share it on Facebook. I am using the Social Share plugin. My forum is Private. When I clicked on the shared discussion link on Facebook using a new Facebook account, I was expecting it to take me to the sign in page and then redirect me to the discussion link, but what actually happened was that it took me to the sign in page and I clicked Login with Facebook (my new account was created at this point) and then instead of directing me to the discussion link, it threw this Fatal error below. When I signed out on my site with the newly created account, and clicked the link again on Facebook, it asked for Sign in and this time it took me to the discussion successfully.
So it appears to me that there is something wrong when you have a Private forum, share a discussion, new user clicks link and registers/login with Facebook.