HELP!!!!

That is absolute BS if you ask me. I really need my old account because I have info on there that I need to get off. Oh my what a MISSION

Hi there Woiuld any admin or moderator please help. My account has dissappeared, I cannot login in, it doesn't recognise my username or password to be in the database. I looked from my friends profile and now the name just sais "Guest" Please Help i NEEEEED my account back. Username: Mitch21 I cannot give the email due to privacy.