I logged out to see if that changed anything and now can't log in. Any idea?
If you are using StopForumSpam, skim through this post:
https://www.ubbcentral.com/forums/ubbthreads.php/topics/259286/re-login-issues#Post259286Though, since you've done a bunch of custom modifications to your forums (my guess) you may have introduced an error.
And the "UBB.threads 7.6.0 Refresh (2017-02-24)" notes in this current thread, just a few posts up.
Direct link:
https://www.ubbcentral.com/forums/u...re-7-6-0-changelog-discussion#Post259092