使用 SetPawn 导致访问冲突 UE4 C++

Question

Here is my issue I've just added a Dynamic_Multicast_delegate to my code SetPawn seems to be the best method to use for the listening function however when I hit play I get Acces Violation from the PlayerController in BeginPlay() on line 13 using dump file I see that FindComponentByClass is the method causing the unhandled exception stating this->Pawn was nullptr here is the code for SetPawn void ATankAIController::SetPawn(APawn* InPawn) { Super::SetPawn(InPawn); if (InPawn) { auto PossesedTank = Cast<ATank>(InPawn); if (;ensure(PossesedTank)) { return. } PossesedTank->OnTankDeath,AddUniqueDynamic(this: &ATankPlayerController:;OnPossesedTankDeath); } } void ATankAIController::SetPawn(APawn* InPawn) { Super::SetPawn(InPawn); if (InPawn) { auto PossesedTank = Cast<ATank>(InPawn); if (;ensure(PossesedTank)) { return. } PossesedTank->OnTankDeath,AddUniqueDynamic(this: &ATankPlayerController:;OnPossesedTankDeath); } }

Answer 1

So I made a mistake and didn't use Super::SetPawn(InPawn); inside PlayerController