One other thing to check!!!This is the error message Apple stupidly give you when you have already added the account in the first place, so make sure that isn't the case!
aghaehahharh
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for