Please refer to the attached project：[Link Removed]
Open TestActor, click Compile
It will fail with the following Error in ProcessScriptFunction in ScriptCore.cpp as PropertiesSize of the Function is 0
Try multiple times, it crash the editor as long as it triggers the AnimNotify End Event
[Image Removed]
UE4Editor-Core.dll!ReportAssert() [d:\build\++ue4\sync\engine\source\runtime\core\private\windows\windowsplatformcrashcontext.cpp:1341] UE4Editor-Core.dll!FWindowsErrorOutputDevice::Serialize() [d:\build\++ue4\sync\engine\source\runtime\core\private\windows\windowserroroutputdevice.cpp:79] UE4Editor-Core.dll!FOutputDevice::LogfImpl() [d:\build\++ue4\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:71] UE4Editor-Core.dll!AssertFailedImplV() [d:\build\++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:105] UE4Editor-Core.dll!FDebug::CheckVerifyFailedImpl() [d:\build\++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:455] UE4Editor-CoreUObject.dll!ProcessScriptFunction<void (__cdecl*)(UObject *,FFrame &,void *)>() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:798] UE4Editor-CoreUObject.dll!ProcessLocalFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1056] UE4Editor-CoreUObject.dll!UObject::ProcessContextOpcode() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2792] UE4Editor-CoreUObject.dll!ProcessLocalScriptFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:997] UE4Editor-CoreUObject.dll!UObject::ProcessInternal() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1081] UE4Editor-CoreUObject.dll!UFunction::Invoke() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4906] UE4Editor-CoreUObject.dll!UObject::ProcessEvent() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1912] UE4Editor-Engine.dll!UAnimNotifyState::Received_NotifyEnd() [d:\build\++ue4\sync\engine\intermediate\build\win64\ue4editor\inc\engine\animnotifystate.gen.cpp:52] UE4Editor-Engine.dll!UAnimInstance::UninitializeAnimation() [d:\build\++ue4\sync\engine\source\runtime\engine\private\animation\animinstance.cpp:254] UE4Editor-Engine.dll!USkeletalMeshComponent::OnUnregister() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\skeletalmeshcomponent.cpp:570] UE4Editor-Engine.dll!UActorComponent::ExecuteUnregisterEvents() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:1393] UE4Editor-Engine.dll!UActorComponent::UnregisterComponent() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:1177] UE4Editor-Engine.dll!UActorComponent::DestroyComponent() [d:\build\++ue4\sync\engine\source\runtime\engine\private\components\actorcomponent.cpp:1208] UE4Editor-Engine.dll!AActor::DestroyConstructedComponents() [d:\build\++ue4\sync\engine\source\runtime\engine\private\actorconstruction.cpp:206] UE4Editor-UnrealEd.dll!ReplaceActorHelper() [d:\build\++ue4\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:1710] UE4Editor-UnrealEd.dll!FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() [d:\build\++ue4\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:1953] UE4Editor-UnrealEd.dll!FBlueprintCompileReinstancer::BatchReplaceInstancesOfClass() [d:\build\++ue4\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:1376] UE4Editor-Kismet.dll!FBlueprintCompilationManagerImpl::FlushReinstancingQueueImpl() [d:\build\++ue4\sync\engine\source\editor\kismet\private\blueprintcompilationmanager.cpp:1537] UE4Editor-Kismet.dll!FBlueprintCompilationManagerImpl::CompileSynchronouslyImpl() [d:\build\++ue4\sync\engine\source\editor\kismet\private\blueprintcompilationmanager.cpp:264] [UE4Editor-Kismet.dll!FBlueprintCompilationManager::CompileSynchronously() [d:\build\++ue4\sync\engine\source\editor\kismet\private\blueprintcompilationmanager.cpp:2922] UE4Editor-UnrealEd.dll!FKismetEditorUtilities::CompileBlueprint() [d:\build\++ue4\sync\engine\source\editor\unrealed\private\kismet2\kismet2.cpp:754]
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-86703 in the post.
| 2 |
| Component | OLD - Anim |
|---|---|
| Affects Versions | 4.23, 4.24 |
| Target Fix | 4.26 |
| Created | Jan 14, 2020 |
|---|---|
| Resolved | Sep 11, 2020 |
| Updated | Jul 23, 2021 |