#0 - June 3, 2008, 5:03 p.m.
If when you go to register for the arena tourny and you get (Error 202) What you need to do is get the account holder to call blizzard's account and billing office at #800 592 5499 tell them that you want them to manually register you for the arena tourny. They will verify your information and take your credit card information over the phone.
Once you do this your account should be registered for the arena tourny!