This is a common crash coming out of the 4.17 release.
User Descriptions
A similar callstack was seen in an older issue, [Link Removed].
Source Context
1872 // in case this Info object is not initialized yet 1873 // initialized it with properties from passed actor 1874 if (LandscapeGuid.IsValid() == false || 1875 (GetLandscapeProxy() == nullptr && ensure(LandscapeGuid == Proxy->GetLandscapeGuid()))) 1876 { 1877 LandscapeGuid = Proxy->GetLandscapeGuid(); 1878 ComponentSizeQuads = Proxy->ComponentSizeQuads; 1879 ComponentNumSubsections = Proxy->NumSubsections; 1880 SubsectionSizeQuads = Proxy->SubsectionSizeQuads; 1881 ***** DrawScale = Proxy->GetRootComponent()->RelativeScale3D; 1882 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_Landscape!ULandscapeInfo::RegisterActor() [landscape.cpp:1882] UE4Editor_Landscape!ALandscapeProxy::CreateLandscapeInfo() [landscape.cpp:772] UE4Editor_Landscape!ALandscapeProxy::PostRegisterAllComponents() [landscape.cpp:1065] UE4Editor_Engine!AActor::IncrementalRegisterComponents() [actor.cpp:4136] UE4Editor_Engine!AActor::RegisterAllComponents() [actor.cpp:4022] UE4Editor_Engine!AActor::PostEditChangeProperty() [actoreditor.cpp:130] UE4Editor_Landscape!ALandscapeProxy::PostEditChangeProperty() [landscapeedit.cpp:3718] UE4Editor_Landscape!ALandscape::PostEditChangeProperty() [landscapeedit.cpp:3854] UE4Editor_UnrealEd!ObjectTools::ForceReplaceReferences() [objecttools.cpp:791] UE4Editor_UnrealEd!ObjectTools::ForceDeleteObjects() [objecttools.cpp:2304] UE4Editor_UnrealEd!FAssetDeleteModel::DoForceDelete() [assetdeletemodel.cpp:316] UE4Editor_UnrealEd!SDeleteAssetsDialog::ForceDelete() [sdeleteassetsdialog.cpp:717] UE4Editor_UnrealEd!TMemberFunctionCaller<SDeleteAssetsDialog,FReply() [delegateinstanceinterface.h:165] UE4Editor_UnrealEd!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SDeleteAssetsDialog,FReply() [tuple.h:497] UE4Editor_UnrealEd!TBaseSPMethodDelegateInstance<0,SDeleteAssetsDialog,0,FReply __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:282] UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator() [slateapplication.cpp:5199] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [slateapplication.cpp:232] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5188] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5690] UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5670] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1718] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2161] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:881] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:721] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsApplication::PumpMessages() [windowsapplication.cpp:2173] UE4Editor_Slate!FSlateApplication::TickPlatform() [slateapplication.cpp:1613] UE4Editor_Slate!FSlateApplication::AddModalWindow() [slateapplication.cpp:2094] UE4Editor_UnrealEd!UEditorEngine::EditorAddModalWindow() [editorengine.cpp:3845] UE4Editor_UnrealEd!ObjectTools::DeleteObjects() [objecttools.cpp:1836] UE4Editor_UnrealEd!ObjectTools::DeleteAssets() [objecttools.cpp:1743] UE4Editor_ContentBrowser!FAssetContextMenu::ExecuteDelete() [assetcontextmenu.cpp:1816] UE4Editor_ContentBrowser!SContentBrowser::HandleDeleteCommandExecute() [scontentbrowser.cpp:2131] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,void __cdecl() [delegateinstancesimpl.h:434] UE4Editor_Slate!FUICommandList::ConditionalProcessCommandBindings() [uicommandlist.cpp:216] UE4Editor_Slate!FUICommandList::ProcessCommandBindings() [uicommandlist.cpp:160] UE4Editor_ContentBrowser!SContentBrowser::OnKeyDown() [scontentbrowser.cpp:1068] UE4Editor_Slate!<lambda_2afcd964c763e269e2d1a63f3a72f846>::operator() [slateapplication.cpp:4771] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_2afcd964c763e269e2d1a63f3a72f846> >() [slateapplication.cpp:232] UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_2afcd964c763e269e2d1a63f3a72f846>,FKeyEvent>() [slateapplication.cpp:214] UE4Editor_Slate!FSlateApplication::ProcessKeyDownEvent() [slateapplication.cpp:4769] UE4Editor_Slate!FSlateApplication::OnKeyDown() [slateapplication.cpp:4681] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1553] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2161] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:881] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:721] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3151] 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()
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