error code: 0 fwhen trying to join servers

[JolyJew СлаваУкраине]

there's like a 50% that when i load to a server i will get this error messege, after which making the server never load up even though the it's still showing the loading animation.

because it's impossible to cancel the loading im forced to restart the game and try again. this is extremely frustrating since it happens to all the coolest and most fun maps.
anyone has an idea what to do?