[CrashReport] UE4Editor-CoreUObject!UObject::IsSelected() [obj.cpp:1149]

UE4Editor-CoreUObject!UObject::IsSelected() [obj.cpp:1149]
UE4Editor-MaterialEditor!FMaterialEditor::UpdateOriginalMaterial() [materialeditor.cpp:1664]
UE4Editor-MaterialEditor!FMaterialEditor::OnRequestClose() [materialeditor.cpp:1175]
UE4Editor-UnrealEd!FAssetEditorToolkit::CloseWindow() [asseteditortoolkit.cpp:404]
UE4Editor-UnrealEd!FAssetEditorManager::CloseAllAssetEditors() [asseteditormanager.cpp:291]
UE4Editor-UnrealEd!ObjectTools::ForceDeleteObjects(TArray<UObject *,FDefaultAllocator> const &,bool) [objecttools.cpp:2229]
UE4Editor-UnrealEd!FAssetDeleteModel::DoForceDelete() [assetdeletemodel.cpp:316]
UE4Editor-UnrealEd!SDeleteAssetsDialog::ForceDelete() [sdeleteassetsdialog.cpp:717]
UE4Editor-UnrealEd!TBaseSPMethodDelegateInstance<0,SDeleteAssetsDialog,0,FReply >::Execute() [delegateinstancesimpl.h:269]
UE4Editor-Slate!SButton::OnMouseButtonUp(FGeometry const &,FPointerEvent const &) [sbutton.cpp:290]
UE4Editor-Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >  [slateapplication.cpp:268]
UE4Editor-Slate!FSlateApplication::RoutePointerUpEvent(FWidgetPath &,FPointerEvent &) [slateapplication.cpp:5472]
UE4Editor-Slate!FSlateApplication::ProcessMouseButtonUpEvent(FPointerEvent &) [slateapplication.cpp:5979]
UE4Editor-Slate!FSlateApplication::OnMouseUp(EMouseButtons::Type,FVector2D) [slateapplication.cpp:5959]
UE4Editor-ApplicationCore!FWindowsApplication::ProcessDeferredMessage(FDeferredWindowsMessage const &) [windowsapplication.cpp:1736]
UE4Editor-ApplicationCore!FWindowsApplication::DeferMessage(TSharedPtr<FWindowsWindow,0> &,HWND__ *,unsigned int,unsigned __int64,__int64,int,int,unsigned int) [windowsapplication.cpp:2182]
UE4Editor-ApplicationCore!FWindowsApplication::ProcessMessage(HWND__ *,unsigned int,unsigned __int64,__int64) [windowsapplication.cpp:895]
UE4Editor-ApplicationCore!FWindowsApplication::AppWndProc(HWND__ *,unsigned int,unsigned __int64,__int64) [windowsapplication.cpp:732]
USER32!2a6c0000  + 16d41
USER32!2a6c0000  + 16713
UE4Editor-ApplicationCore!FWindowsApplication::PumpMessages(float) [windowsapplication.cpp:2194]
UE4Editor-Slate!FSlateApplication::TickPlatform(float) [slateapplication.cpp:1707]
UE4Editor-Slate!FSlateApplication::AddModalWindow(TSharedRef<SWindow,0>,TSharedPtr<SWidget const ,0>,bool) [slateapplication.cpp:2202]
UE4Editor-UnrealEd!UEditorEngine::EditorAddModalWindow(TSharedRef<SWindow,0>) [editorengine.cpp:4044]
UE4Editor-UnrealEd!ObjectTools::DeleteObjects(TArray<UObject *,FDefaultAllocator> const &,bool) [objecttools.cpp:2018]
UE4Editor-UnrealEd!ObjectTools::DeleteAssets(TArray<FAssetData,FDefaultAllocator> const &,bool) [objecttools.cpp:1904]
UE4Editor-ContentBrowser!FAssetContextMenu::ExecuteDelete() [assetcontextmenu.cpp:1962]
UE4Editor-ContentBrowser!SContentBrowser::HandleDeleteCommandExecute() [scontentbrowser.cpp:2274]
UE4Editor-ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,void >::ExecuteIfSafe() [delegateinstancesimpl.h:345]
UE4Editor-Slate!FUICommandList::ConditionalProcessCommandBindings(FKey,bool,bool,bool,bool,bool) [uicommandlist.cpp:216]
UE4Editor-Slate!FUICommandList::ProcessCommandBindings(FKeyEvent const &) [uicommandlist.cpp:160]
UE4Editor-ContentBrowser!SContentBrowser::OnKeyDown(FGeometry const &,FKeyEvent const &) [scontentbrowser.cpp:1177]
UE4Editor-Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_2afcd964c763e269e2d1a63f3a72f846> >  [slateapplication.cpp:268]
UE4Editor-Slate!FSlateApplication::ProcessKeyDownEvent(FKeyEvent &) [slateapplication.cpp:5041]
UE4Editor-Slate!FSlateApplication::OnKeyDown(int,unsigned int,bool) [slateapplication.cpp:4953]
UE4Editor-ApplicationCore!FWindowsApplication::ProcessDeferredMessage(FDeferredWindowsMessage const &) [windowsapplication.cpp:1571]
UE4Editor-ApplicationCore!FWindowsApplication::DeferMessage(TSharedPtr<FWindowsWindow,0> &,HWND__ *,unsigned int,unsigned __int64,__int64,int,int,unsigned int) [windowsapplication.cpp:2182]
UE4Editor-ApplicationCore!FWindowsApplication::ProcessMessage(HWND__ *,unsigned int,unsigned __int64,__int64) [windowsapplication.cpp:895]
UE4Editor-ApplicationCore!FWindowsApplication::AppWndProc(HWND__ *,unsigned int,unsigned __int64,__int64) [windowsapplication.cpp:732]
USER32!2a6c0000  + 16d41
USER32!2a6c0000  + 16713
UE4Editor-ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages(bool) [windowsplatformapplicationmisc.cpp:129]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3417]
UE4Editor!GuardedMain(wchar_t const *,HINSTANCE__ *,HINSTANCE__ *,int) [launch.cpp:166]
UE4Editor!GuardedMainWrapper(wchar_t const *,HINSTANCE__ *,HINSTANCE__ *,int) [launchwindows.cpp:144]
UE4Editor!WinMain  [launchwindows.cpp:223]
UE4Editor!__scrt_common_main_seh  [exe_common.inl:283]
KERNEL32!2a300000  + 13034
ntdll!2cc30000  + 73691