Inventory Widget causes assertion failure

Development Programming & Scripting UI
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1

I get the same result in version 4.21

When executed, editor crashes.

inventory component attached to third person character

286542-toggle-inventory.png
286542-toggle-inventory.png1470×472 105 KB

Widget For Inventory

286543-widget-inventory.png
286543-widget-inventory.png1849×330 141 KB

Debug:
Assertion failed: Src [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/CoreUObject/Private/UObject/Class.cpp] [Line: 2445]

UE4Editor_Core!FWindowsErrorOutputDevice::Serialize() [d:\build++ue4\sync\engine\source\runtime\core\private\windows\windowserroroutputdevice.cpp:79]
UE4Editor_Core!FOutputDevice::LogfImpl() [d:\build++ue4\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:71]
UE4Editor_Core!AssertFailedImplV() [d:\build++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:101]
UE4Editor_Core!FDebug::CheckVerifyFailedImpl() [d:\build++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:445]
UE4Editor_CoreUObject!UScriptStruct::CopyScriptStruct() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:2445]
UE4Editor_Engine!UKismetSystemLibrary::Generic_SetStructurePropertyByName() [d:\build++ue4\sync\engine\source\runtime\engine\private\kismetsystemlibrary.cpp:1152]
UE4Editor_Engine!UKismetSystemLibrary::execSetStructurePropertyByName() [d:\build++ue4\sync\engine\source\runtime\engine\classes\kismet\kismetsystemlibrary.h:829]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4723]
UE4Editor_CoreUObject!UObject::CallFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:927]
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2763]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:997]
UE4Editor_CoreUObject!ProcessScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:828]
UE4Editor_CoreUObject!ProcessLocalFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1056]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:997]
UE4Editor_CoreUObject!UObject::ProcessInternal() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1081]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4723]
UE4Editor_CoreUObject!UObject::ProcessEvent() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1912]
UE4Editor_UMG!UUserWidget::NativeConstruct() [d:\build++ue4\sync\engine\source\runtime\umg\private\userwidget.cpp:1462]
UE4Editor_UMG!UWidget::TakeWidget_Private() [d:\build++ue4\sync\engine\source\runtime\umg\private\components\widget.cpp:805]
UE4Editor_UMG!UWidget::TakeWidget() [d:\build++ue4\sync\engine\source\runtime\umg\private\components\widget.cpp:722]
UE4Editor_UMG!UUserWidget::AddToScreen() [d:\build++ue4\sync\engine\source\runtime\umg\private\userwidget.cpp:1076]
UE4Editor_UMG!UUserWidget::execAddToViewport() [d:\build++ue4\sync\engine\source\runtime\umg\public\blueprint\userwidget.h:208]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4723]
UE4Editor_CoreUObject!UObject::CallFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:927]
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2763]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:997]
UE4Editor_CoreUObject!ProcessScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:828]
UE4Editor_CoreUObject!ProcessLocalFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1056]
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2763]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:997]
UE4Editor_CoreUObject!ProcessScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:828]
UE4Editor_CoreUObject!ProcessLocalFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1056]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:997]
UE4Editor_CoreUObject!UObject::ProcessInternal() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1081]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4723]
UE4Editor_CoreUObject!UObject::ProcessEvent() [d:\build++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1912]
UE4Editor_Engine!AActor::ProcessEvent() [d:\build++ue4\sync\engine\source\runtime\engine\private\actor.cpp:770]
UE4Editor_Engine!FInputActionUnifiedDelegate::Execute() [d:\build++ue4\sync\engine\source\runtime\engine\classes\components\inputcomponent.h:266]
UE4Editor_Engine!UPlayerInput::ProcessInputStack() [d:\build++ue4\sync\engine\source\runtime\engine\private\userinterface\playerinput.cpp:1319]
UE4Editor_Engine!APlayerController::ProcessPlayerInput() [d:\build++ue4\sync\engine\source\runtime\engine\private\playercontroller.cpp:2477]
UE4Editor_Engine!APlayerController::TickPlayerInput() [d:\build++ue4\sync\engine\source\runtime\engine\private\playercontroller.cpp:4465]
UE4Editor_Engine!APlayerController::PlayerTick() [d:\build++ue4\sync\engine\source\runtime\engine\private\playercontroller.cpp:2138]
UE4Editor_Engine!APlayerController::TickActor() [d:\build++ue4\sync\engine\source\runtime\engine\private\playercontroller.cpp:4611]
UE4Editor_Engine!FActorTickFunction::ExecuteTick() [d:\build++ue4\sync\engine\source\runtime\engine\private\actor.cpp:164]
UE4Editor_Engine!FTickFunctionTask::DoTask() [d:\build++ue4\sync\engine\source\runtime\engine\private\ticktaskmanager.cpp:285]
UE4Editor_Engine!TGraphTask::ExecuteTask() [d:\build++ue4\sync\engine\source\runtime\core\public\async\taskgraphinterfaces.h:847]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [d:\build++ue4\sync\engine\source\runtime\core\private\async\taskgraph.cpp:686]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [d:\build++ue4\sync\engine\source\runtime\core\private\async\taskgraph.cpp:583]
UE4Editor_Core!FTaskGraphImplementation::WaitUntilTasksComplete() [d:\build++ue4\sync\engine\source\runtime\core\private\async\taskgraph.cpp:1465]
UE4Editor_Engine!FTickTaskSequencer::ReleaseTickGroup() [d:\build++ue4\sync\engine\source\runtime\engine\private\ticktaskmanager.cpp:557]
UE4Editor_Engine!FTickTaskManager::RunTickGroup() [d:\build++ue4\sync\engine\source\runtime\engine\private\ticktaskmanager.cpp:1518]
UE4Editor_Engine!UWorld::RunTickGroup() [d:\build++ue4\sync\engine\source\runtime\engine\private\leveltick.cpp:782]
UE4Editor_Engine!UWorld::Tick() [d:\build++ue4\sync\engine\source\runtime\engine\private\leveltick.cpp:1535]
UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\build++ue4\sync\engine\source\editor\unrealed\private\editorengine.cpp:1638]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\build++ue4\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:407]
UE4Editor!FEngineLoop::Tick() [d:\build++ue4\sync\engine\source\runtime\launch\private\launchengineloop.cpp:4257]
UE4Editor!GuardedMain() [d:\build++ue4\sync\engine\source\runtime\launch\private\launch.cpp:173]
UE4Editor!GuardedMainWrapper() [d:\build++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:147]
UE4Editor!WinMain() [d:\build++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:279]
UE4Editor!__scrt_common_main_seh() [d:\agent_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

2

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