So when playing with my brother , when we are doing quests we can be near the end or in the middle of the quests or quest and game will crash for both , seems the server might be over loaded with zombies when they spawn in, but needless to say we have to start the quest over again , and it’s been happening often. And now with the :
Connection Timed Out/NetSteamNetworkingSessionError_ClosedByPeer