This is a common issue, just try to login again. It's usually caused by lag or the connection timeout. Even if someone were logged into your account, if you keep trying they will get kicked off.
01/28/2010 04:30dantespada#3
Which server?US or Viet?
Cuz Hefei and some map in Viet server are in trouble. No one can log in if your 1st character of account is in Hefei or stuck map...