Nostalrius Begins - Quality wow vanilla realm (1.12)

Hello. I can't connect to the game, it says "disconnected from server" when i put in my password.. I haven't played for like 4 days, was on holiday.. help me please.

Check your using the right username/password first,
Login here "https://en.nostalrius.org/login" and see if your able to get in, then report back

Good luck