This is a common crash occurring in the 4.16 release.
User Descriptions
Source Context
98 : CompactionThreshold(2)
99 , InvocationListLockCount(0)
100 { }
101
102 protected:
103
104 /**
105 * Adds the given delegate instance to the invocation list.
106 *
107 * @param NewDelegateBaseRef The delegate instance to add.
108 */
109 inline FDelegateHandle AddInternal(FDelegateBase&& NewDelegateBaseRef)
110 {
111 FDelegateHandle Result = NewDelegateBaseRef.GetHandle();
112 ***** InvocationList.Add(MoveTemp(NewDelegateBaseRef));
113 return Result;
114 }
115
Create a new FoliageType asset in the content browser.
Enter foliage mode
Drag the FoliageType asset into the foliage tool
Check the checkbox for the FoliageType
Try to paint foliage.
Crash!
Access violation - code c0000005 (first/second chance not available) UE4Editor_Foliage!FMulticastDelegateBase<FWeakObjectPtr>::AddInternal() [multicastdelegatebase.h:113] UE4Editor_Foliage!TBaseMulticastDelegate<void,FBoxSphereBounds const & __ptr64>::AddRaw<FFoliageMeshInfo>() [delegatesignatureimpl.inl:730] UE4Editor_Foliage!FFoliageMeshInfo::CreateNewComponent() [instancedfoliage.cpp:770] UE4Editor_Foliage!FFoliageMeshInfo::AddInstance() [instancedfoliage.cpp:1018] UE4Editor_Foliage!FFoliageMeshInfo::AddInstance() [instancedfoliage.cpp:1009] UE4Editor_FoliageEdit!FEdModeFoliage::AddInstancesImp() [foliageedmode.cpp:1437] UE4Editor_FoliageEdit!FEdModeFoliage::AddInstancesForBrush() [foliageedmode.cpp:1512] UE4Editor_FoliageEdit!FEdModeFoliage::ApplyBrush() [foliageedmode.cpp:2344] UE4Editor_FoliageEdit!FEdModeFoliage::StartFoliageBrushTrace() [foliageedmode.cpp:836] UE4Editor_FoliageEdit!FEdModeFoliage::InputKey() [foliageedmode.cpp:3350] UE4Editor_UnrealEd!FEditorModeTools::InputKey() [editormodemanager.cpp:751] UE4Editor_UnrealEd!FEditorViewportClient::InputKey() [editorviewportclient.cpp:2281] UE4Editor_UnrealEd!FLevelEditorViewportClient::InputKey() [leveleditorviewport.cpp:2510] UE4Editor_Engine!FSceneViewport::OnMouseButtonDown() [sceneviewport.cpp:482] UE4Editor_Slate!SViewport::OnMouseButtonDown() [sviewport.cpp:195] UE4Editor_Slate!<lambda_7097b900f0e4be30d80fb18f98c51ea0>::operator() [slateapplication.cpp:4953] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,<lambda_7097b900f0e4be30d80fb18f98c51ea0> >() [slateapplication.cpp:239] UE4Editor_Slate!FSlateApplication::RoutePointerDownEvent() [slateapplication.cpp:4942] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonDownEvent() [slateapplication.cpp:4898] UE4Editor_Slate!FSlateApplication::OnMouseDown() [slateapplication.cpp:4816] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1712] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2127] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:867] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:714] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3058] 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()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-45845 in the post.
| 0 |
| Component | UE - World Creation - Worldbuilding Tools - Foliage |
|---|---|
| Affects Versions | 4.16 |
| Target Fix | 4.16.2 |
| Fix Commit | 3482149 |
|---|
| Created | Jun 8, 2017 |
|---|---|
| Resolved | Jun 9, 2017 |
| Updated | May 9, 2020 |