I hate steam...

I cannot connect to servers because I get this, Disconnected: Error verifying STEAM userid ticket. I restarted steam and I still get the same error. Anyone know whats wrong with it?
im not sure about your error, but i can let you borrow my avatar lol...

ya i feel your pain, sometimes after i get out of dod when i try to go back on it say i have to buy the game. do wut rocket said