Umm, whoops. Attacking should work now. And try resetting now if you can't get past the reset page due to the "can't reset again" error.

Error

Invalid User ID
?

The user ID you entered is either an inactive user account or does not exist. User accounts can be inactive due to entering vacation mode, not logging in for 2 weeks, deleting, being banned, or not having been reactivated yet in the current age of the game.

0.0242 secs, 5 queries