Description

Crash occurs when the mannequin skeleton is retargeted to the Daz skeleton

Does not occur in 4.18.3

Steps to Reproduce
  1. Download attached project
  2. Right click Mannequin skeleton < Retarget to another skeleton
  3. Select untitled_Skeleton
  4. Retarget
  5. Wait a few moments for loading bar to settle
  6. Observe crash

Expected: Crash does not occur when mannequin is retargeted to Daz skeleton

Result: Crash occurs when mannequin is retargeted to Daz skeleton

Callstack
LoginId:bdcd2df1437ec38ad0d19c85e30ff2d1
EpicAccountId:1ed52ca976af4368b6c30d11b7cdc18f

Assertion failed: FVector::Distance(InitOptions.ViewRotationMatrix.GetScaleVector(), FVector::OneVector) < KINDA_SMALL_NUMBER [File:D:\Main Workspace\Engine\Source\Runtime\Engine\Private\SceneView.cpp] [Line: 432]

UE4Editor_Core!FDebug::AssertFailed() [d:\main workspace\engine\source\runtime\core\private\misc\assertionmacros.cpp:421]
UE4Editor_Engine!FViewMatrices::FViewMatrices() [d:\main workspace\engine\source\runtime\engine\private\sceneview.cpp:434]
UE4Editor_Engine!FSceneView::FSceneView() [d:\main workspace\engine\source\runtime\engine\private\sceneview.cpp:558]
UE4Editor_UnrealEd!FThumbnailPreviewScene::GetView() [d:\main workspace\engine\source\editor\unrealed\private\thumbnailhelpers.cpp:126]
UE4Editor_UnrealEd!UAnimSequenceThumbnailRenderer::Draw() [d:\main workspace\engine\source\editor\unrealed\private\thumbnailrendering\animsequencethumbnailrenderer.cpp:36]
UE4Editor_UnrealEd!ThumbnailTools::RenderThumbnail() [d:\main workspace\engine\source\editor\unrealed\private\objecttools.cpp:3708]
UE4Editor_UnrealEd!ThumbnailTools::GenerateThumbnailForObjectToSaveToDisk() [d:\main workspace\engine\source\editor\unrealed\private\objecttools.cpp:3773]
UE4Editor_UnrealEd!UUnrealEdEngine::GeneratePackageThumbnailsIfRequired() [d:\main workspace\engine\source\editor\unrealed\private\unrealedsrv.cpp:447]
UE4Editor_UnrealEd!UUnrealEdEngine::Exec() [d:\main workspace\engine\source\editor\unrealed\private\unrealedsrv.cpp:687]
UE4Editor_UnrealEd!InternalSavePackage() [d:\main workspace\engine\source\editor\unrealed\private\filehelpers.cpp:2837]
UE4Editor_UnrealEd!InternalPromptForCheckoutAndSave() [d:\main workspace\engine\source\editor\unrealed\private\filehelpers.cpp:3343]
UE4Editor_UnrealEd!FEditorFileUtils::PromptForCheckoutAndSave() [d:\main workspace\engine\source\editor\unrealed\private\filehelpers.cpp:3608]
UE4Editor_AssetTools!FAssetTypeActions_Skeleton::PerformRetarget() [d:\main workspace\engine\source\developer\assettools\private\assettypeactions\assettypeactions_skeleton.cpp:648]
UE4Editor_AssetTools!FAssetTypeActions_Skeleton::RetargetAnimationHandler() [d:\main workspace\engine\source\developer\assettools\private\assettypeactions\assettypeactions_skeleton.cpp:593]
UE4Editor_AssetTools!TBaseSPMethodDelegateInstance<0,FAssetTypeActions_Skeleton,0,TTypeWrapper<void> __cdecl(USkeleton * __ptr64,USkeleton * __ptr64,bool,bool,bool,EditorAnimUtils::FNameDuplicationRule const * __ptr64)>::Execute() [d:\main workspace\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:269]
UE4Editor_UnrealEd!SAnimationRemapSkeleton::OnApply() [d:\main workspace\engine\source\editor\unrealed\private\sskeletonwidget.cpp:952]
UE4Editor_UnrealEd!TMemberFunctionCaller<SAnimationRemapSkeleton,FReply (__cdecl SAnimationRemapSkeleton::*)(void) __ptr64>::operator()<>() [d:\main workspace\engine\source\runtime\core\public\delegates\delegateinstanceinterface.h:156]
UE4Editor_UnrealEd!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SAnimationRemapSkeleton,FReply (__cdecl SAnimationRemapSkeleton::*)(void) __ptr64> >() [d:\main workspace\engine\source\runtime\core\public\templates\tuple.h:498]
UE4Editor_UnrealEd!TBaseSPMethodDelegateInstance<0,SAnimationRemapSkeleton,0,FReply __cdecl(void)>::Execute() [d:\main workspace\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:269]
UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [d:\main workspace\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:537]
UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\main workspace\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:282]
UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator()() [d:\main workspace\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5445]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [d:\main workspace\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:268]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\main workspace\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5434]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\main workspace\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5932]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\main workspace\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5912]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessDeferredMessage() [d:\main workspace\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:1726]
UE4Editor_ApplicationCore!FWindowsApplication::DeferMessage() [d:\main workspace\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:2172]
UE4Editor_ApplicationCore!FWindowsApplication::ProcessMessage() [d:\main workspace\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:889]
UE4Editor_ApplicationCore!FWindowsApplication::AppWndProc() [d:\main workspace\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:726]
user32
user32
opengl32
user32
user32
UE4Editor_ApplicationCore!FWindowsPlatformApplicationMisc::PumpMessages() [d:\main workspace\engine\source\runtime\applicationcore\private\windows\windowsplatformapplicationmisc.cpp:129]
UE4Editor!FEngineLoop::Tick() [d:\main workspace\engine\source\runtime\launch\private\launchengineloop.cpp:3282]
UE4Editor!GuardedMain() [d:\main workspace\engine\source\runtime\launch\private\launch.cpp:166]
UE4Editor!GuardedMainWrapper() [d:\main workspace\engine\source\runtime\launch\private\windows\launchwindows.cpp:144]
UE4Editor!WinMain() [d:\main workspace\engine\source\runtime\launch\private\windows\launchwindows.cpp:223]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
kernel32
ntdll

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-58837 in the post.

3
Login to Vote

Fixed
ComponentAnim
Affects Versions4.19.24.20
Target Fix4.20
Fix Commit4112799
Main Commit4124555
Release Commit4112799
CreatedMay 8, 2018
ResolvedJun 5, 2018
UpdatedMay 18, 2020