The Object is both "null" and "not null"

[TUGRUL_SERT]

What’s the problem? This is really weird. I tried to use both UObject and None Class.

I’ve been dealing with this problem for a week.

class XXX_API UGameManager : public UGameInstance
{
TUniquePtr<LevelManager> level_manager;
...
Init(){
level_manager = TUniquePtr<LevelManager>(new LevelManager());
}
....
}

class LevelManager 
{
....
}

//Ticks per second
if (level_manager.Get() == nullptr)
{
	UE_LOG(LogTemp, Warning, L"null")
}
else
{
	UE_LOG(LogTemp, Warning, L"not null")
}

When I focus on the New Editor Window or move it, this is the result:

[Shadowriver]

Can you profive more info, how do you check whatever level_manager is null or not. And what LeveLManager is? it missing prefix

[TUGRUL_SERT]

LevelManager is just a class that has functions and variables. It’s not UObject.

I have a game manager class that inherits UGameInstance and FTickableObject. In Tick function, I check “level_manager” if it is null.

void UGameManager::Tick(float DeltaTime)
{
	static float xy = 0;
	
	if (xy >= 1)
	{
		if (level_manager.Get() == nullptr) // or raw pointer level_manager  == nullptr
		{
			UE_LOG(LogTemp, Warning, L"null")
		}
		else
		{
			UE_LOG(LogTemp, Warning, L"not null")
		}
		xy = 0;
	}
	xy += DeltaTime;
}

As I said, when I focus on the New Editor Window or move it, when I back to editor and focus on New Editor Window again, it looks “null” or “not null”. It’s always changing.

And This is the level_manager:

enum LEVEL {
	NONE = 0,
	MAIN = 1,
	LOGIN = 2,
	CREATE_CHARACTER = 3,
};

class UGameManager;
class ULoginWidget;

class XXX_API LevelManager
{

private:
	uint16 m_current_level = 0;
	TMap<uint16, FName> m_levels;

public:
	LevelManager();
	~LevelManager();

	FORCEINLINE uint16 GetCurrentLevel() const { return m_current_level; }

	void OpenLevel(uint16 level_code);

	void LoadLogin();
};