can anyone help me with this counter strike problem

[person]

i don't know what this means but when i join a server it just kicks me from server and this appears after a few second

i don't know how to put picture but it says



you have been disconnected from the server.
reason: Error verifying STEM userID ticket(server was
unable to contact the authentication server)

[FluffyKitty.deadm]

Log out and log back in. See: http://community.deadm.com/viewtopic.php?t=1423

[person]

thx fluffy it worked