Editor crash when using Online Subsystem

Development Programming & Scripting C++
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1

Hi ALL

Here is my code

.h

UCLASS()
class NETWORKDEMO_API AUNWGameInstance : public AGameSession
{
GENERATED_BODY()

public:
TSharedPtr MySessionSettings;
FOnCreateSessionCompleteDelegate OnCreateSessionCompleteDelegate;
FDelegateHandle OnCreateSessionCompleteDelegateHandle;

.cpp

		MySessionSettings = MakeShareable(new FOnlineSessionSettings());
		OnCreateSessionCompleteDelegate = FOnCreateSessionCompleteDelegate::CreateUObject(this, &AUNWGameInstance::OnCreateSessionComplete);

When i run my program,editor will crash with the error,Access violation - code c0000005 (first/second chance not available)
It`s strange,i have declare MySessionSettings and OnCreateSessionCompleteDelegate in my header file
So,what do i miss?Does anyone have a solution for my problem?
Thank you!

2

I have solved this problem,when getting the GameSession,we should use const like the code below

AUNWGameInstance* ANetWorkActor::GetGameSession() const
{
	UWorld* const World = GetWorld();
	if (World)
	{
		AGameModeBase* const Game = World->GetAuthGameMode();
		if (Game)
		{
			return Cast<AUNWGameInstance>(Game->GameSession);
		}
	}

	return nullptr;
}