help.Bug with email

what to do if I accidentally entered one email on 2 accounts,but when I confirmed the email on the official account, it says that fake mail and so I can’t change my nickname. if anyone knows how to solve it please help

i dont know much of this,for be true,i dont know.talk for @m0dE

I’ve never had this problem myself so i’m not too sure how to fix it.

This problem its hard to happen(maybe),you really have unlucky to this happen