This is a common crash coming out of the 4.18 release.
User Descriptions
Source Context
261 int32 FBoneContainer::GetParentBoneIndex(const int32 BoneIndex) const 262 { 263 checkSlow( IsValid() ); 264 checkSlow(BoneIndex != INDEX_NONE); 265 return RefSkeleton->GetParentIndex(BoneIndex); 266 } 267 268 FCompactPoseBoneIndex FBoneContainer::GetParentBoneIndex(const FCompactPoseBoneIndex& BoneIndex) const 269 { 270 checkSlow(IsValid()); 271 checkSlow(BoneIndex != INDEX_NONE); 272 ***** return CompactPoseParentBones[BoneIndex.GetInt()]; 273 } 274 275 int32 FBoneContainer::GetDepthBetweenBones(const int32 BoneIndex, const int32 ParentBoneIndex) const 276 { 277 checkSlow( IsValid() ); 278 checkSlow( BoneIndex != INDEX_NONE ); 279 return RefSkeleton->GetDepthBetweenBones(BoneIndex, ParentBoneIndex); 280 }
repro steps currently unknown. Related to Two bone IK
Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!FBoneContainer::GetParentBoneIndex() [bonecontainer.cpp:273] UE4Editor_AnimGraph!FAnimNodeEditMode::ConvertWidgetLocation() [animnodeeditmode.cpp:655] UE4Editor_AnimGraph!FTwoBoneIKEditMode::GetWidgetLocation() [twoboneikeditmode.cpp:114] UE4Editor_AnimGraph!FTwoBoneIKEditMode::DrawTargetLocation() [twoboneikeditmode.cpp:88] UE4Editor_AnimGraph!FTwoBoneIKEditMode::Render() [twoboneikeditmode.cpp:68] UE4Editor_UnrealEd!FEditorModeTools::Render() [editormodemanager.cpp:837] UE4Editor_UnrealEd!FEditorViewportClient::Draw() [editorviewportclient.cpp:3591] UE4Editor_Persona!FAnimationViewportClient::Draw() [animationeditorviewportclient.cpp:357] UE4Editor_Renderer!FSceneRenderer::FSceneRenderer() [scenerendering.cpp:1398] UE4Editor_Renderer!FDeferredShadingSceneRenderer::FDeferredShadingSceneRenderer() [deferredshadingrenderer.cpp:217] UE4Editor_Renderer!FSceneRenderer::CreateSceneRenderer() [scenerendering.cpp:1766] UE4Editor_Renderer!FRendererModule::BeginRenderingViewFamily() [scenerendering.cpp:2246] UE4Editor_UnrealEd!FEditorViewportClient::Draw() [editorviewportclient.cpp:3460] UE4Editor_Engine!FViewport::Draw() [unrealclient.cpp:1213] UE4Editor_UnrealEd!UEditorEngine::UpdateSingleViewportClient() [editorengine.cpp:2046] UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:1819] UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:396] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3296] 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-52608 in the post.
| 0 |
| Component | UE - Anim - Rigging |
|---|---|
| Affects Versions | 4.18 |
| Target Fix | 4.19 |
| Created | Nov 21, 2017 |
|---|---|
| Resolved | Jan 18, 2018 |
| Updated | Oct 7, 2020 |