Unreal Engine Issues and Bug Tracker (UE-51508)

Description

Engine crashes when CharacterBP is dragged into the Shots track and Spawnable is checked and unchecked when character animation Blueprint has a SubAnimInstance set up.

Steps to Reproduce

Download attached project
Open Project
Open UDNTest < Map < TestLevel
Open Master Sequence
Drag ThirdPersonCharacter Blueprint into the Shots tab
Check and uncheck Spawned check box a few times
Engine crashes

Expected: Engine does not crash
Result: Engine crashes

Callstack

LoginId:bdcd2df1437ec38ad0d19c85e30ff2d1
EpicAccountId:1ed52ca976af4368b6c30d11b7cdc18f

Access violation - code c0000005 (first/second chance not available)

UE4Editor_Engine!UAnimInstance::RecalcRequiredBones() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\animation\animinstance.cpp:960]
UE4Editor_Engine!USkeletalMeshComponent::RecalcRequiredBones() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:1533]
UE4Editor_Engine!USkeletalMeshComponent::InitAnim() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:601]
UE4Editor_Engine!USkeletalMeshComponent::OnRegister() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:475]
UE4Editor_Engine!UActorComponent::ExecuteRegisterEvents() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:1236]
UE4Editor_Engine!UActorComponent::RegisterComponentWithWorld() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:974]
UE4Editor_Engine!AActor::IncrementalRegisterComponents() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\actor.cpp:4125]
UE4Editor_Engine!AActor::RegisterAllComponents() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\actor.cpp:4024]
UE4Editor_LevelSequence!FLevelSequenceActorSpawner::SpawnObject() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\levelsequence\private\levelsequenceactorspawner.cpp:89]
UE4Editor_LevelSequence!FLevelSequenceSpawnRegister::SpawnObject() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\levelsequence\private\levelsequencespawnregister.cpp:36]
UE4Editor_LevelSequenceEditor!FLevelSequenceEditorSpawnRegister::SpawnObject() [d:\build\++ue4+release-4.17+compile\sync\engine\plugins\moviescene\levelsequenceeditor\source\levelsequenceeditor\private\misc\levelsequenceeditorspawnregister.cpp:71]
UE4Editor_MovieScene!FMovieSceneSpawnRegister::SpawnObject() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\moviescene\private\moviescenespawnregister.cpp:30]
UE4Editor_MovieSceneTracks!FSpawnObjectToken::Execute() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\moviescenetracks\private\evaluation\moviescenespawntemplate.cpp:77]
UE4Editor_MovieScene!FMovieSceneExecutionTokens::Apply() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\moviescene\private\evaluation\moviesceneexecutiontokens.cpp:53]
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::EvaluateGroup() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\moviescene\private\evaluation\moviesceneevaluationtemplateinstance.cpp:269]
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::Evaluate() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\moviescene\private\evaluation\moviesceneevaluationtemplateinstance.cpp:254]
UE4Editor_Sequencer!FSequencer::EvaluateInternal() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:1719]
UE4Editor_Sequencer!FSequencer::NotifyMovieSceneDataChanged() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\sequencer\private\sequencer.cpp:1019]
UE4Editor_MovieSceneTools!SBoolCurveKeyEditor::OnCheckStateChanged() [d:\build\++ue4+release-4.17+compile\sync\engine\source\editor\moviescenetools\private\curvekeyeditors\sboolcurvekeyeditor.cpp:89]
UE4Editor_MovieSceneTools!TBaseSPMethodDelegateInstance<0,SBoolCurveKeyEditor,0,TTypeWrapper<void> __cdecl(enum ECheckBoxState)>::Execute() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:327]
UE4Editor_MovieSceneTools!TBaseSPMethodDelegateInstance<0,SBoolCurveKeyEditor,0,void __cdecl(enum ECheckBoxState)>::ExecuteIfSafe() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:434]
UE4Editor_Slate!SCheckBox::ToggleCheckedState() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\slate\private\widgets\input\scheckbox.cpp:299]
UE4Editor_Slate!SCheckBox::OnMouseButtonUp() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\slate\private\widgets\input\scheckbox.cpp:190]
UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator()() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5199]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:232]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5188]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5690]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5670]
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1718]
UE4Editor_Core!FWindowsApplication::DeferMessage() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:2161]
UE4Editor_Core!FWindowsApplication::ProcessMessage() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:881]
UE4Editor_Core!FWindowsApplication::AppWndProc() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:721]
user32
user32
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:1009]
UE4Editor!FEngineLoop::Tick() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:3151]
UE4Editor!GuardedMain() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\launch.cpp:166]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor!WinMain() [d:\build\++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
kernel32
ntdll

Community References

Where can I download the source address of the deployment cotum service associated with the PixelStream plugin?

Why does the REMOVE method of map container remove elements have memory leaks?

Do I need to call Destory method to remove components from Actor when Destory method to remove Actor?

What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?

How do I set a material as a post-processing material?

How does TextureRenderTarget2D get TArray<uint8> type data?

How to delete some elements correctly when deleting an array loop?

UMG RichText not appear image when packaged

What is the difference between Camera and CineCamera?

In UE5.4, custom variables in the level blueprint cannot be set to default values, and the eyedropper tool is also unavailable, whereas in UE4.27, these features work normally.

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-51508 in the post.

2	Login to Vote

Fixed

Component	OLD - Anim
Affects Versions	4.16.3, 4.17.2, 4.19
Target Fix	4.19

Fix Commit	3730685
Main Commit	3759284
Release Commit	3813083

Created	Oct 20, 2017
Resolved	Nov 1, 2017
Updated	May 18, 2020

View Jira Issue

UE-51508

Engine Crashes When SubAnimInstance is set up and Master Sequence is Set to Spawnable

Engine Crashes When SubAnimInstance is set up and Master Sequence is Set to Spawnable

Have Comments or More Details?