What exactly is happening? Any specific errors? You should review these steps:First, and most importantly, my Facebook integration is broken and I can't for the life of me fix it. I went in and handled all the migration issues and even updated the SDK stuff that Mike Edge posted a tutorial on. (http://xenforo.com/community/threads/facebook-sdk-updates-for-xenforo.44383/) Nothing seems to fix it in any browser.
That's a problem with the gravatar service. The service was probably down temporarily. Ignore it.Second, I have a ton of gravatar issues in the error log.
For users, it keeps trying to log in via facebook. The little drop down overlay at the top shows 'logging in...' over and over, even after showing an error saying it can't connect to Facebook. In the ACP, when I test integration, it says:What exactly is happening?