If i tried to join a new session its just black screen.
this is the log for steam online but the same problem happens on lan
[2017.12.01-22.03.43:233][776]LogTemp: Warning: steam.76561198309012868:7777
[2017.12.01-22.03.43:235][776]LogNet: Browse: steam.76561198309012868//Game/Maps/Menu
[2017.12.01-22.03.43:236][776]LogTemp: Display: ParseSettings for GameNetDriver
[2017.12.01-22.03.43:236][776]LogTemp: Display: ParseSettings for SteamNetDriver_0
[2017.12.01-22.03.43:236][776]LogTemp: Display: ParseSettings for PendingNetDriver
[2017.12.01-22.03.43:237][776]LogNet: Display: SteamNetDriver_0 bound to port 7777
[2017.12.01-22.03.43:237][776]PacketHandlerLog: Loaded PacketHandler component: Engine.EngineHandlerComponentFactory (StatelessConnectHandlerComponent)
[2017.12.01-22.03.43:238][776]LogNet: Game client on port 7777, rate 10000