How To Fix This Error?

[Bonez]

Everytime i keep joining any server like 3 secons later a error comes up saying:

Error verifying STEAM UserID Ticket.


and this is on CSS, i dont know why now its happening but it never happened befor.

 

[TheOperator]

Happned to me earlier, all you need to do is restart your computer or steam, it should work after that!

 

[Bonez]

i tried both of that, im gonna look more into it.

EDIT: I Fixed it! If you have this problem go here: https://support.steampowered.com/kb_article.php?ref=4100-WEAK-4375