Convert to Battle.net Issue

I am currently having an issue where when I try to login I get a message stating:
"This account needs to be converted to a Battle.net account. Please [Click Here] or go to: [https://eu.battle.net/account/creation/landing.xml] to begin the conversion."
I downloaded MoP about a month ago and everything was working just fine until I tried to login today and I received this message. Does anybody know how to solve this problem? I would appreciate any help. Thanks!

Update: I put SET realmList "logon.warmane.com" at the top along with SET patchlist "logon.warmane.com" and waited a bit and it works

You happen to be logging in with email instead of username?
Cause you should be logging in with username and password instead of email and password.

Other than that idk, gl.