I had to join the forum for some reason?

When I tried logging into the forum this morning, I was informed my email was not recognized.
I am very confused since I login every day. I tried a secondary email to see if that was the issue but that one received the same message.

I went to the license portal and got the same message but was able to reset password and was fine.

Trying to reset password in the forum did not work and had to rejoin altogether.

WHY?