Anyway, what finally settled the issue is that a few weeks ago I received a notification that some of passwords were at risk of being hacked so I changed them. One was my X account. However when I tried to log back in my backup code wouldn’t work. I tried everything to no avail. I contacted their support team for help and have been met with silence.
Oh well. My only regret is that I didn’t get the chance to say goodbye to my followers who may be wondering why I’ve gone quiet.