When doing the tutorial “Introduction to UE4 Programming - 5 - Empowering the Character”, the editor started crashing every time when executing the pickup input action, which callbacks CollectBatteries method. The crash reportert says the problem is on the following line:
TArray collectedActors;
CollectionSphere->GetOverlappingActors(collectedActors); // <-- here
This is the declaration of the CollectionSphere variable:
UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = Power, meta = (AllowPrivateAccess = "true"))
class USphereComponent *CollectionSphere;
and this is the initialization code:
CollectionSphere = CreateDefaultSubobject(TEXT("CollectionSphere"));
CollectionSphere->AttachTo(RootComponent);
CollectionSphere->SetSphereRadius(200.0f);
This is the action binding code:
InputComponent->BindAction("Pickup", IE_Pressed, this, &ACodeTutorialCharacter::CollectBatteries);
When the environment crashes, this is the crash report i get:
MachineId:903DE8F84C61EBD7E3B967B9E70D382A
Access violation - code c0000005 (first/second chance not available)
Ensure condition failed: false [File:D:\Programs\UnrealEngine-4.7.1\Engine\Source\Runtime\Engine\Private\SceneComponent.cpp] [Line: 914]
Template Mismatch during attachment. Attaching instanced component to template component. Parent 'CollisionC
UE4Editor_Engine!UPrimitiveComponent::GetOverlappingActors() + 79 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\primitivecomponent.cpp:2089]
UE4Editor_CodeTutorial!ACodeTutorialCharacter::CollectBatteries() + 85 bytes [d:\projects\unreal projects\codetutorial\source\codetutorial\codetutorialcharacter.cpp:154]
UE4Editor_Engine!UPlayerInput::ProcessInputStack() + 8096 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\userinterface\playerinput.cpp:1064]
UE4Editor_Engine!APlayerController::ProcessPlayerInput() + 94 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\playercontroller.cpp:2367]
UE4Editor_Engine!APlayerController::TickPlayerInput() + 1393 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\playercontroller.cpp:3728]
UE4Editor_Engine!APlayerController::PlayerTick() + 75 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\playercontroller.cpp:2045]
UE4Editor_Engine!APlayerController::TickActor() + 702 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\playercontroller.cpp:3801]
UE4Editor_Engine!FActorTickFunction::ExecuteTick() + 580 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\actor.cpp:119]
UE4Editor_Engine!FTickTaskSequencer::FTickFunctionTask::DoTask() + 214 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\ticktaskmanager.cpp:322]
UE4Editor_Engine!TGraphTask::ExecuteTask() + 445 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\core\public\async\taskgraphinterfaces.h:671]
UE4Editor_Core!FTaskThread::ProcessTasks() + 3109 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\core\private\async\taskgraph.cpp:428]
UE4Editor_Core!FTaskThread::ProcessTasksUntilQuit() + 77 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\core\private\async\taskgraph.cpp:271]
UE4Editor_Core!FTaskGraphImplementation::WaitUntilTasksComplete() + 511 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\core\private\async\taskgraph.cpp:984]
UE4Editor_Engine!FTaskGraphInterface::WaitUntilTaskCompletes() + 367 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\core\public\async\taskgraphinterfaces.h:188]
UE4Editor_Engine!FTickTaskSequencer::ReleaseTickGroup() + 432 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\ticktaskmanager.cpp:187]
UE4Editor_Engine!FTickTaskManager::RunTickGroup() + 1182 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\ticktaskmanager.cpp:722]
UE4Editor_Engine!UWorld::RunTickGroup() + 102 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\leveltick.cpp:696]
UE4Editor_Engine!UWorld::Tick() + 2971 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\engine\private\leveltick.cpp:1114]
UE4Editor_UnrealEd!UEditorEngine::Tick() + 5618 bytes [d:\programs\unrealengine-4.7.1\engine\source\editor\unrealed\private\editor.cpp:1329]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() + 22 bytes [d:\programs\unrealengine-4.7.1\engine\source\editor\unrealed\private\unrealedengine.cpp:347]
UE4Editor!FEngineLoop::Tick() + 4179 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\launch\private\launchengineloop.cpp:2257]
UE4Editor!GuardedMain() + 1404 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\programs\unrealengine-4.7.1\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
The problem appears to be kinda blocking, so i cannot really proceed further with the tutorials, where all others depends on the functionality of picking up an actor from the world.