Xbox account not registered (apparently)

I’ve been opted in for PC flighting for a few months now. I was able to access the game this morning until it crashed and had me log in again. When I tried to log back in, the game said that my Xbox account wasn’t opted in which I know for a fact is not true. I tried an alternative login method and now none of the buttons to change login methods or proceed with current ones are working. Very frustrating.