[CrashReport] UE4Editor_Engine!UBlueprintGeneratedClass::InitPropertiesFromCustomList() [blueprintgeneratedclass.cpp:564]

Assertion failed: bCustomPropertyListForPostConstructionInitialized [File:D:\Build\++UE4+Release-4.19+Compile\Sync\Engine\Source\Runtime\Engine\Private\BlueprintGeneratedClass.cpp] [Line: 562]

UE4Editor_Engine!UBlueprintGeneratedClass::InitPropertiesFromCustomList() [blueprintgeneratedclass.cpp:564]
UE4Editor_CoreUObject!FObjectInitializer::InitProperties() [uobjectglobals.cpp:3091]
UE4Editor_CoreUObject!FObjectInitializer::PostConstructInit() [uobjectglobals.cpp:2795]
UE4Editor_CoreUObject!FObjectInitializer::~FObjectInitializer() [uobjectglobals.cpp:2706]
UE4Editor_CoreUObject!StaticConstructObject_Internal() [uobjectglobals.cpp:3167]
UE4Editor_Engine!NewObject<AActor>() [uobjectglobals.h:1141]
UE4Editor_Engine!UWorld::SpawnActor() [levelactor.cpp:432]
UE4Editor_Engine!UWorld::SpawnActor() [levelactor.cpp:295]
UE4Editor_Kismet!FBlueprintEditor::UpdatePreviewActor() [blueprinteditor.cpp:7857]
UE4Editor_Kismet!FBlueprintEditor::Tick() [blueprinteditor.cpp:6949]
UE4Editor_UnrealEd!FTickableEditorObject::TickObjects() [tickableeditorobject.h:45]
UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:1455]
UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:401]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3320]
UE4Editor!GuardedMain() [launch.cpp:166]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134]
UE4Editor!WinMain() [launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:253]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()