When me and my brother try to play W@W Coop we get the error: "game session is no longer available"
I tried everythings, but i still not workling. We have good Connection, and there are even Random People joining my host.
Someone know how to fix?

I had this so many times but i've never seen to find a solution for it. Just keep trying helped alot of times for me. And if one of you guys is using a pirated version that could be the cause of it as well.

We are from germany, but we bought the game. The german version is cutted so we have to use a patch to get it uncut so we can play Zombies. Could this cause the Problem?

I'm not sure bro, sorry!

Are you using Tunngle or Hamachi to connect? That could be the problem.