Can't login anymore

It's as if my account never existed. I was able to play just fine this morning, but a couple of hours ago when I tried logging in, it said my credentials didn't match. I then went to reset my password. I entered my email, but nothing was sent. I thought I was hacked, but I remembered I had 2FA enabled, and there were no previous emails sent regarding someone trying to log in. I then tried to request my username. I was then sent an email, but it said there was no email linked to my account. I can't do the self-recovery from the website because I put in a random date of birth, and I don't remember all the information needed to submit a ticket. :/