Can't login to game

Hello, I have just downloaded WotLK client (with old skins) and registered an account. I can log in on website, but I can NOT log in the game itself...

I have the right realmlist "Set realmlist logon.warmane.com".

Any suggestions why I can't log in?

Thank you

Are you using your username and password to log in? what's it saying when you try to log in?

Well that was weird... now I can log in no problem. Maybe some issues on server.