Nostalrius Begins - Quality wow vanilla realm (1.12)

Greeting GM:
My account since last night can not log in to the sever,could you tell me that if my account has been banned or other problem,thank you .
character name:Coolcocoa
sever:pvp

Hello, this is my friend, help me to consult the post. I still want to add some content
My account was frozen at that time, I was doing the task, and I wanted to know the reason is to freeze. Account: coolangel and role name: coolcocoa can you tell me why?
I saw all the rules, and I didn't see that I was against the rules. Can you thaw my account. Thank you~