This is a common crash in the 4.18 release.
User Descriptions
Source Context
2238 TMap<UFoliageType*, FFoliageMeshInfo*> AInstancedFoliageActor::GetAllInstancesFoliageType()
2239 {
2240 TMap<UFoliageType*, FFoliageMeshInfo*> InstanceFoliageTypes;
2241
2242 for (auto& MeshPair : FoliageMeshes)
2243 ***** {
2244 InstanceFoliageTypes.Add(MeshPair.Key, &MeshPair.Value.Get());
2245 }
2246
2247 return InstanceFoliageTypes;
2248 }
repro steps currently unknown. See user comment for possibility
Access violation - code c0000005 (first/second chance not available) UE4Editor_Foliage!AInstancedFoliageActor::GetAllInstancesFoliageType() [instancedfoliage.cpp:2244] UE4Editor_FoliageEdit!FFoliageEditUtility::MoveActorFoliageInstancesToLevel() [foliageeditutility.cpp:149] UE4Editor_WorldBrowser!FLevelCollectionModel::MoveActorsToSelected_Executed() [levelcollectionmodel.cpp:1659] UE4Editor_WorldBrowser!TBaseSPMethodDelegateInstance<0,FLevelCollectionModel,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327] UE4Editor_WorldBrowser!TBaseSPMethodDelegateInstance<0,FLevelCollectionModel,0,void __cdecl() [delegateinstancesimpl.h:434] UE4Editor_Slate!FUICommandList::ExecuteAction() [uicommandlist.cpp:97] UE4Editor_Slate!SMenuEntryBlock::OnClicked() [smenuentryblock.cpp:1028] UE4Editor_Slate!SMenuEntryBlock::OnMenuItemButtonClicked() [smenuentryblock.cpp:988] UE4Editor_Slate!TMemberFunctionCaller<SMenuEntryBlock,FReply() [delegateinstanceinterface.h:165] UE4Editor_Slate!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SMenuEntryBlock,FReply() [tuple.h:497] UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SMenuEntryBlock,0,FReply __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:282] UE4Editor_Slate!SMenuEntryButton::OnMouseButtonUp() [smenuentryblock.cpp:385] UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator() [slateapplication.cpp:5263] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [slateapplication.cpp:234] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5252] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5750] UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5730] UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1725] UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2171] UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:888] UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [windowsapplication.cpp:725] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [windowsplatformapplicationmisc.cpp:129] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3220] 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-52919 in the post.
| 1 |
| Component | UE - World Creation - Worldbuilding Tools - Foliage |
|---|---|
| Affects Versions | 4.18, 4.19 |
| Target Fix | 4.19.2 |
| Fix Commit | 4025680 |
|---|
| Created | Dec 1, 2017 |
|---|---|
| Resolved | Apr 24, 2018 |
| Updated | Jan 2, 2019 |