Spawnable Level Instance via Sequencer in WP map

check(!IsEditingLevelInstanceDirty(LevelInstance) && !HasDirtyChildrenLevelInstances(LevelInstance)); 

UnrealEditor-Engine.dll!ULevelInstanceSubsystem::OnActorDeleted(AActor * Actor) Line 1528	C++
[Inline Frame] UnrealEditor-LevelInstanceEditor.dll!Invoke(void(FLevelInstanceEditorModule::*)(AActor *)) Line 66	C++
[Inline Frame] UnrealEditor-LevelInstanceEditor.dll!UE::Core::Private::Tuple::TTupleBase<TIntegerSequence<unsigned int>>::ApplyAfter(void(FLevelInstanceEditorModule::*)(AActor *) &) Line 311	C++
UnrealEditor-LevelInstanceEditor.dll!TBaseRawMethodDelegateInstance<0,FLevelInstanceEditorModule,void __cdecl(AActor *),FDefaultDelegateUserPolicy>::ExecuteIfSafe(AActor * <Params_0>) Line 535	C++
[Inline Frame] UnrealEditor-Engine.dll!TMulticastDelegateBase<FDefaultDelegateUserPolicy>::Broadcast(AActor *) Line 254	C++
UnrealEditor-Engine.dll!TMulticastDelegate<void __cdecl(AActor *),FDefaultDelegateUserPolicy>::Broadcast(AActor * <Params_0>) Line 956	C++
[Inline Frame] UnrealEditor-Engine.dll!UEngine::BroadcastLevelActorDeleted(AActor *) Line 2057	C++
UnrealEditor-Engine.dll!UWorld::DestroyActor(AActor * ThisActor, bool bNetForce, bool bShouldModifyLevel) Line 997	C++
UnrealEditor-LevelSequence.dll!FLevelSequenceSpawnRegister::DestroySpawnedObject(UObject & Object) Line 41	C++
UnrealEditor-MovieScene.dll!FMovieSceneSpawnRegister::DestroySpawnedObject(const FGuid & BindingId, const FMovieSceneSequenceID & TemplateID, IMovieScenePlayer & Player) Line 89	C++
UnrealEditor-MovieScene.dll!`UE::MovieScene::FSpawnTrackPreAnimatedTokenProducer::CacheExistingState'::`2'::FToken::RestoreState(UObject & Object, const UE::MovieScene::FRestoreStateParams & Params) Line 49	C++
[Inline Frame] UnrealEditor-MovieScene.dll!UE::MovieScene::FPreAnimatedObjectTokenTraits::RestorePreAnimatedValue(const TTuple<FObjectKey,FMovieSceneAnimTypeID> &) Line 39	C++
UnrealEditor-MovieScene.dll!UE::MovieScene::TPreAnimatedStateStorage<UE::MovieScene::FPreAnimatedObjectTokenTraits>::RestorePreAnimatedStateStorage(UE::MovieScene::FPreAnimatedStorageIndex StorageIndex, UE::MovieScene::EPreAnimatedStorageRequirement SourceRequirement, UE::MovieScene::EPreAnimatedStorageRequirement TargetRequirement, const UE::MovieScene::FRestoreStateParams & Params) Line 224	C++
UnrealEditor-MovieScene.dll!UE::MovieScene::FPreAnimatedStateExtension::RestoreGlobalState(const UE::MovieScene::FRestoreStateParams & Params) Line 364	C++
UnrealEditor-MovieScene.dll!FMovieScenePreAnimatedState::RestorePreAnimatedState() Line 136	C++
[Inline Frame] UnrealEditor-Sequencer.dll!IMovieScenePlayer::RestorePreAnimatedState() Line 330	C++
UnrealEditor-Sequencer.dll!FLevelEditorSequencerIntegration::RestoreToSavedState::__l2::<lambda_1>::operator()(FSequencer & In, const FLevelEditorSequencerIntegrationOptions & Options) Line 1207	C++
[Inline Frame] UnrealEditor-Sequencer.dll!UE::Core::Private::Function::TFunctionRefBase<UE::Core::Private::Function::FFunctionRefStoragePolicy,void __cdecl(FSequencer &,FLevelEditorSequencerIntegrationOptions const &)>::operator()(FSequencer &) Line 629	C++
UnrealEditor-Sequencer.dll!FLevelEditorSequencerIntegration::IterateAllSequencers(TFunctionRef<void __cdecl(FSequencer &,FLevelEditorSequencerIntegrationOptions const &)> It) Line 186	C++
UnrealEditor-Sequencer.dll!FLevelEditorSequencerIntegration::RestoreToSavedState(UWorld * World) Line 1211	C++
[Inline Frame] UnrealEditor-Sequencer.dll!Invoke(void(FLevelEditorSequencerIntegration::*)(UWorld *, FObjectPreSaveContext)) Line 66	C++
[Inline Frame] UnrealEditor-Sequencer.dll!UE::Core::Private::Tuple::TTupleBase<TIntegerSequence<unsigned int>>::ApplyAfter(void(FLevelEditorSequencerIntegration::*)(UWorld *, FObjectPreSaveContext) &) Line 311	C++
UnrealEditor-Sequencer.dll!TBaseRawMethodDelegateInstance<0,FLevelEditorSequencerIntegration,void __cdecl(UWorld *,FObjectPreSaveContext),FDefaultDelegateUserPolicy>::ExecuteIfSafe(UWorld * <Params_0>, FObjectPreSaveContext <Params_1>) Line 535	C++
[Inline Frame] UnrealEditor-UnrealEd.dll!TMulticastDelegateBase<FDefaultDelegateUserPolicy>::Broadcast(UWorld *) Line 254	C++
[Inline Frame] UnrealEditor-UnrealEd.dll!TMulticastDelegate<void __cdecl(UWorld *,FObjectPreSaveContext),FDefaultDelegateUserPolicy>::Broadcast(UWorld *) Line 956	C++
UnrealEditor-UnrealEd.dll!UEditorEngine::OnPreSaveWorld(UWorld * World, FObjectPreSaveContext ObjectSaveContext) Line 4739	C++
UnrealEditor-UnrealEd.dll!UEditorEngine::Save(UPackage * InOuter, UObject * InAsset, const wchar_t * Filename, const FSavePackageArgs & InSaveArgs) Line 4636	C++
UnrealEditor-UnrealEd.dll!UEditorEngine::SavePackage(UPackage * InOuter, UObject * InAsset, const wchar_t * Filename, const FSavePackageArgs & SaveArgs) Line 4719	C++
UnrealEditor-UnrealEd.dll!UEditorEngine::Exec_Obj(const wchar_t * Str, FOutputDevice & Ar) Line 4616	C++
UnrealEditor-UnrealEd.dll!UEditorEngine::Exec_Editor(UWorld * InWorld, const wchar_t * Stream, FOutputDevice & Ar) Line 5687	C++
UnrealEditor-Core.dll!FExec::Exec(UWorld * InWorld, const wchar_t * Cmd, FOutputDevice & Ar) Line 18	C++
UnrealEditor-Engine.dll!UEngine::Exec(UWorld * InWorld, const wchar_t * Cmd, FOutputDevice & Ar) Line 4726	C++
UnrealEditor-UnrealEd.dll!UUnrealEdEngine::Exec(UWorld * InWorld, const wchar_t * Stream, FOutputDevice & Ar) Line 662	C++
UnrealEditor-UnrealEd.dll!SaveWorld(UWorld * World, const FString * ForceFilename, const wchar_t * OverridePath, const wchar_t * FilenamePrefix, bool bRenamePackageToFile, bool bCheckDirty, FString & FinalFilename, bool bAutosaving, bool bPIESaving) Line 906	C++
UnrealEditor-UnrealEd.dll!FEditorFileUtils::SaveMap(UWorld * InWorld, const FString & Filename) Line 2998	C++
UnrealEditor-UnrealEd.dll!InternalSavePackage(UPackage * PackageToSave, bool bUseDialog, bool & bOutPackageLocallyWritable, FOutputDevice & SaveOutput) Line 3522	C++
UnrealEditor-UnrealEd.dll!InternalPromptForCheckoutAndSave(const TArray<UPackage *,TSizedDefaultAllocator<32>> & FinalSaveList, bool bUseDialog, TArray<UPackage *,TSizedDefaultAllocator<32>> & OutFailedPackages) Line 4174	C++
UnrealEditor-UnrealEd.dll!FEditorFileUtils::PromptForCheckoutAndSave(const TArray<UPackage *,TSizedDefaultAllocator<32>> & InPackages, FEditorFileUtils::FPromptForCheckoutAndSaveParams & InOutParams) Line 4551	C++
UnrealEditor-UnrealEd.dll!InternalSavePackages(const TArray<UPackage *,TSizedDefaultAllocator<32>> & PackagesToSave, bool bPromptUserToSave, bool bFastSave, bool bCanBeDeclined, bool bCheckDirty) Line 3808	C++
UnrealEditor-UnrealEd.dll!FEditorFileUtils::SaveDirtyPackages(const bool bPromptUserToSave, const bool bSaveMapPackages, const bool bSaveContentPackages, const bool bFastSave, const bool bNotifyNoPackagesSaved, const bool bCanBeDeclined, bool * bOutPackagesNeededSaving, const TFunctionRef<bool __cdecl(UPackage *)> & ShouldIgnorePackageFunction) Line 3952	C++
UnrealEditor-Engine.dll!ULevelInstanceSubsystem::CommitLevelInstanceInternal(TUniquePtr<ULevelInstanceSubsystem::FLevelInstanceEdit,TDefaultDelete<ULevelInstanceSubsystem::FLevelInstanceEdit>> & InLevelInstanceEdit, bool bDiscardEdits, bool bDiscardOnFailure, TSet<FName,DefaultKeyFuncs<FName,0>,FDefaultSetAllocator> * DirtyPackages) Line 2022	C++
UnrealEditor-Engine.dll!ULevelInstanceSubsystem::CommitLevelInstance(ILevelInstanceInterface * LevelInstance, bool bDiscardEdits, TSet<FName,DefaultKeyFuncs<FName,0>,FDefaultSetAllocator> * DirtyPackages) Line 1969	C++
[Inline Frame] UnrealEditor-LevelInstanceEditor.dll!LevelInstanceMenuUtils::CreateCommitDiscardMenu::__l17::<lambda_1>::operator()(const FToolMenuContext &) Line 190	C++
[Inline Frame] UnrealEditor-LevelInstanceEditor.dll!Invoke(LevelInstanceMenuUtils::CreateCommitDiscardMenu::__l17::<lambda_1> &) Line 47	C++
[Inline Frame] UnrealEditor-LevelInstanceEditor.dll!UE::Core::Private::Tuple::TTupleBase<TIntegerSequence<unsigned int>>::ApplyAfter(LevelInstanceMenuUtils::CreateCommitDiscardMenu::__l17::<lambda_1> &) Line 311	C++
UnrealEditor-LevelInstanceEditor.dll!TBaseFunctorDelegateInstance<void __cdecl(FToolMenuContext const &),FDefaultDelegateUserPolicy,`LevelInstanceMenuUtils::CreateCommitDiscardMenu'::`17'::<lambda_1>>::ExecuteIfSafe(const FToolMenuContext & <Params_0>) Line 870	C++
[Inline Frame] UnrealEditor-ToolMenus.dll!TDelegate<void __cdecl(FToolMenuContext const &),FDefaultDelegateUserPolicy>::ExecuteIfBound(const FToolMenuContext &) Line 570	C++
UnrealEditor-ToolMenus.dll!UToolMenus::ConvertUIAction::__l5::<lambda_1>::operator()() Line 1574	C++
[Inline Frame] UnrealEditor-ToolMenus.dll!Invoke(UToolMenus::ConvertUIAction::__l5::<lambda_1> &) Line 47	C++
[Inline Frame] UnrealEditor-ToolMenus.dll!UE::Core::Private::Tuple::TTupleBase<TIntegerSequence<unsigned int>>::ApplyAfter(UToolMenus::ConvertUIAction::__l5::<lambda_1> &) Line 311	C++
UnrealEditor-ToolMenus.dll!TBaseFunctorDelegateInstance<void __cdecl(void),FDefaultDelegateUserPolicy,`UToolMenus::ConvertUIAction'::`5'::<lambda_1>>::ExecuteIfSafe() Line 870	C++
UnrealEditor-Slate.dll!TDelegate<void __cdecl(void),FDefaultDelegateUserPolicy>::ExecuteIfBound<void,0>() Line 570	C++
[Inline Frame] UnrealEditor-Slate.dll!FUIAction::Execute() Line 139	C++
UnrealEditor-Slate.dll!SMenuEntryBlock::OnClicked(bool bCheckBoxClicked) Line 1167	C++
UnrealEditor-Slate.dll!SMenuEntryBlock::OnMenuItemButtonClicked() Line 1118	C++
[Inline Frame] UnrealEditor-Slate.dll!Invoke(FReply(SMenuEntryBlock::*)()) Line 66	C++
[Inline Frame] UnrealEditor-Slate.dll!UE::Core::Private::Tuple::TTupleBase<TIntegerSequence<unsigned int>>::ApplyAfter(FReply(SMenuEntryBlock::*)() &) Line 311	C++
UnrealEditor-Slate.dll!TBaseSPMethodDelegateInstance<0,SMenuEntryBlock,1,FReply __cdecl(void),FDefaultDelegateUserPolicy>::Execute() Line 281	C++
UnrealEditor-Slate.dll!TDelegate<FReply __cdecl(void),FDefaultDelegateUserPolicy>::Execute() Line 549	C++
UnrealEditor-Slate.dll!SButton::ExecuteOnClick() Line 465	C++
UnrealEditor-Slate.dll!SButton::OnMouseButtonUp(const FGeometry & MyGeometry, const FPointerEvent & MouseEvent) Line 390	C++
UnrealEditor-Slate.dll!SMenuEntryButton::OnMouseButtonUp(const FGeometry & MyGeometry, const FPointerEvent & MouseEvent) Line 434	C++
[Inline Frame] UnrealEditor-Slate.dll!FSlateApplication::RoutePointerUpEvent::__l8::<lambda_3>::operator()(const FArrangedWidget &) Line 5221	C++
UnrealEditor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,`FSlateApplication::RoutePointerUpEvent'::`8'::<lambda_3>>(FSlateApplication * ThisApplication, FEventRouter::FToLeafmostPolicy RoutingPolicy, FPointerEvent EventCopy, const FSlateApplication::RoutePointerUpEvent::__l8::<lambda_3> & Lambda, ESlateDebuggingInputEvent DebuggingInputEvent) Line 442	C++
UnrealEditor-Slate.dll!FSlateApplication::RoutePointerUpEvent(const FWidgetPath & WidgetsUnderPointer, const FPointerEvent & PointerEvent) Line 5207	C++
UnrealEditor-Slate.dll!FSlateApplication::ProcessMouseButtonUpEvent(const FPointerEvent & MouseEvent) Line 5776	C++
UnrealEditor-Slate.dll!FSlateApplication::OnMouseUp(const EMouseButtons::Type Button, const UE::Math::TVector2<double> CursorPos) Line 5741	C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::ProcessDeferredMessage(const FDeferredWindowsMessage & DeferredMessage) Line 2231	C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::DeferMessage(TSharedPtr<FWindowsWindow,1> & NativeWindow, HWND__ * InHWnd, unsigned int InMessage, unsigned __int64 InWParam, __int64 InLParam, int MouseX, int MouseY, unsigned int RawInputFlags) Line 2738	C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::ProcessMessage(HWND__ * hwnd, unsigned int msg, unsigned __int64 wParam, __int64 lParam) Line 1099	C++
[Inline Frame] UnrealEditor-ApplicationCore.dll!WindowsApplication_WndProc(HWND__ *) Line 931	C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::AppWndProc(HWND__ * hwnd, unsigned int msg, unsigned __int64 wParam, __int64 lParam) Line 937	C++
user32.dll!UserCallWinProcCheckWow()	Unknown
user32.dll!DispatchMessageWorker()	Unknown
[Inline Frame] UnrealEditor-ApplicationCore.dll!WinPumpMessages() Line 116	C++
UnrealEditor-ApplicationCore.dll!FWindowsPlatformApplicationMisc::PumpMessages(bool bFromMainLoop) Line 145	C++
UnrealEditor.exe!FEngineLoop::Tick() Line 5746	C++
[Inline Frame] UnrealEditor.exe!EngineTick() Line 61	C++
UnrealEditor.exe!GuardedMain(const wchar_t * CmdLine) Line 188	C++
UnrealEditor.exe!LaunchWindowsStartup(HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, char * __formal, int nCmdShow, const wchar_t * CmdLine) Line 247	C++
UnrealEditor.exe!WinMain(HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, char * pCmdLine, int nCmdShow) Line 298	C++
[Inline Frame] UnrealEditor.exe!invoke_main() Line 102	C++
UnrealEditor.exe!__scrt_common_main_seh() Line 288	C++
kernel32.dll!BaseThreadInitThunk()	Unknown
ntdll.dll!RtlUserThreadStart()	Unknown