Steam. ListenServer. No game present to join for session (Game)

Development Platform & Builds
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Hello. I am trying to play with steam connection. I can create server, find it in other client, connect and play. So everything is fine. But every time i see in log: LogOnline:Warning: STEAM: No game present to join for session (Game)

On listen server i do:

  1. Sessions->CreateSession

  2. when session is created i call Sessions->StartSession

  3. when session is started i call GetWorld()->ServerTravel(TravelURL); where TravelURL is “/Game/Maps/MapName?Listen” to travel on game map and start to play for server and also local player on this server.

After ServerTravel processed i see that local player controller is registered again with chain:

UE4Editor-OnlineSubsystemSteam.dll!FOnlineSessionSteam::RegisterPlayers
UE4Editor-OnlineSubsystemSteam.dll!FOnlineSessionSteam::RegisterPlayer
UE4Editor-Engine.dll!APlayerState::RegisterPlayerWithSession
UE4Editor-Engine.dll!AGameSession::RegisterPlayer
UE4Editor-Engine.dll!AGameMode::InitNewPlayer
UE4Editor-Engine.dll!AGameMode::Login
UE4Editor-Engine.dll!UWorld::SpawnPlayActor
UE4Editor-Engine.dll!ULocalPlayer::SpawnPlayActor
UE4Editor-Engine.dll!UEngine::LoadMap
UE4Editor-Engine.dll!UEngine::Browse

void APlayerState::RegisterPlayerWithSession calls *SessionInt->RegisterPlayer(PlayerState->SessionName, UniqueId, bWasFromInvite);
where PlayerState->SessionName is default session name “Game”, not the name i used to create session.

after that bool FOnlineSessionSteam::RegisterPlayers calls FNamedOnlineSession Session = GetNamedSession(SessionName);* and
Session here is NULL because sever has no session with default name “Game” and i get this error in log.

Also. If i change session name i create to default name “Game” then bool FOnlineSessionSteam::RegisterPlayers not get error LogOnline:Warning: STEAM: No game present to join for session (Game) any more, but it gets one another LogOnline:Warning: STEAM: Can’t start an online session (Game) in state InProgress

Look like map should not be reloaded for listen server, or what should i do, or is i a kind of bug where it should not be called for listen server?

Maybe for listen server, also as for dedicated server first i need to open map, and create session after that?

Or maybe for Listen server Lobby session is required?

Log file attached link text

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does it works on packaged build? how can you join and play if you get all this errors?

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Look at log file, as i said, i can create server and play, also i can find this server with Sessions->FindSessions() and connect to it with Sessions->JoinSession

Also i can see my steam friends, so steam works and setup is correct

Server session is created and started seccessfully but after ServerTravel PC is trying to be regestered again but with default session name, but PC is already registered in other session i created.