MyBB Community Forums

Hello  

I merged to MYBB from PHPBB but I cannot login on the forum, all my members are the same, I have reset my password.
I am getting this error.

Authorization code mismatch. Are you accessing this function correctly? Please go back and try again.

Any idea what this could be please?

More info about the problem:

The forum was originally hosted at https://forumformentalhealthissues.com/mybb but I have moved the forum into the root domain, so its now at https://forumformentalhealthissues.com it worked before I moved the forum and I've updated the settings for the board URL in the admin config area. But still get the error in the first post.

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