Description

REGRESSION Does not occur in 4.24

Crash occurs if the user spawns an actor with an instanced editable Gameplay Tag node that was changed on the spawn node. Another user reported this happening with Linear Color as well

Issue does not occur if the pin is connected.

Possibly related to [Link Removed]

Steps to Reproduce
  1. Download and extract the attached project.
  2. Open the project in editor.
  3. Play in viewport (this spawn an actor with a Tag property, which is instance editable and has been changed on the spawn node as opposed to with a connected pin).

RESULT

Crash

Callstack
Assertion failed: ContainerPtr [File:D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject/UnrealType.h] [Line: 356] 

KERNELBASE.dll!UnknownFunction []
UE4Editor-Core.dll!ReportAssert() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsPlatformCrashContext.cpp:1451]
UE4Editor-Core.dll!FWindowsErrorOutputDevice::Serialize() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsErrorOutputDevice.cpp:78]
UE4Editor-Core.dll!FOutputDevice::LogfImpl() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Misc\OutputDevice.cpp:61]
UE4Editor-Core.dll!AssertFailedImplV() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:100]
UE4Editor-Core.dll!FDebug::CheckVerifyFailedImpl() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:450]
UE4Editor-CoreUObject.dll!UObject::execStructConst() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:3288]
UE4Editor-Engine.dll!UKismetSystemLibrary::execSetStructurePropertyByName() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Classes\Kismet\KismetSystemLibrary.h:843]
UE4Editor-CoreUObject.dll!UFunction::Invoke() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp:5542]
UE4Editor-CoreUObject.dll!UObject::CallFunction() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:927]
UE4Editor-CoreUObject.dll!UObject::ProcessContextOpcode() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:2796]
UE4Editor-CoreUObject.dll!ProcessLocalScriptFunction() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:997]
UE4Editor-CoreUObject.dll!ProcessScriptFunction<void (__cdecl*)(UObject *,FFrame &,void *)>() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:828]
UE4Editor-CoreUObject.dll!ProcessLocalFunction() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:1058]
UE4Editor-CoreUObject.dll!ProcessLocalScriptFunction() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:997]
UE4Editor-CoreUObject.dll!UObject::ProcessInternal() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:1085]
UE4Editor-CoreUObject.dll!UFunction::Invoke() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\Class.cpp:5542]
UE4Editor-CoreUObject.dll!UObject::ProcessEvent() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp:1916]
UE4Editor-Engine.dll!AActor::ProcessEvent() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\Actor.cpp:798]
UE4Editor-Engine.dll!AActor::BeginPlay() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\Actor.cpp:3457]
UE4Editor-Engine.dll!AActor::DispatchBeginPlay() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\Actor.cpp:3397]
UE4Editor-Engine.dll!AWorldSettings::NotifyBeginPlay() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\WorldSettings.cpp:246]
UE4Editor-Engine.dll!AGameStateBase::HandleBeginPlay() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\GameStateBase.cpp:205]
UE4Editor-Engine.dll!UWorld::BeginPlay() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\World.cpp:4184]
UE4Editor-Engine.dll!UGameInstance::StartPlayInEditorGameInstance() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\GameInstance.cpp:478]
UE4Editor-UnrealEd.dll!UEditorEngine::CreateInnerProcessPIEGameInstance() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:2793]
UE4Editor-UnrealEd.dll!UEditorEngine::OnLoginPIEComplete_Deferred() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1473]
UE4Editor-UnrealEd.dll!UEditorEngine::CreateNewPlayInEditorInstance() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1707]
UE4Editor-UnrealEd.dll!UEditorEngine::StartPlayInEditorSession() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:2579]
UE4Editor-UnrealEd.dll!UEditorEngine::StartQueuedPlaySessionRequestImpl() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1089]
UE4Editor-UnrealEd.dll!UEditorEngine::StartQueuedPlaySessionRequest() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\PlayLevel.cpp:1016]
UE4Editor-UnrealEd.dll!UEditorEngine::Tick() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\EditorEngine.cpp:1611]
UE4Editor-UnrealEd.dll!UUnrealEdEngine::Tick() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Editor\UnrealEd\Private\UnrealEdEngine.cpp:414]
UE4Editor.exe!FEngineLoop::Tick() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:4850]
UE4Editor.exe!GuardedMain() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:169]
UE4Editor.exe!GuardedMainWrapper() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:137]
UE4Editor.exe!WinMain() [D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:268]
UE4Editor.exe!__scrt_common_main_seh() [d:\agent\_work\5\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
KERNEL32.DLL!UnknownFunction []
ntdll.dll!UnknownFunction []

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Fixed
ComponentUE - Foundation - Core - UObject
Affects Versions4.25
Target Fix4.25.1
Fix Commit13248921
Main Commit14151001
Release Commit13248921
CreatedMay 6, 2020
ResolvedMay 8, 2020
UpdatedAug 26, 2020
View Jira Issue