Unreal Engine Issues and Bug Tracker (UE-73132)

Description

When using Steam VR in combination with the Multi-User Editing plugin and the Virtual Production Utilities plugin the engine crashes when adding a bookmark while a server is running.

Steps to Reproduce

Make sure that steam VR is setup
Make sure an HMD that can use Steam VR is hooked up and turned on
Make sure Steam VR is running
Download the attached project
Open the project
Launch Multi User Server (drop down arrow next to go live button)
Select Go Live
Click the "Create session button"
Name it "TestServer"
Start VR Mode (VR editor)
Bring up the virtual productions menu (in the left controller menu: Windows > Virtual Production)
click The book mark icon

Result: The editor will crash
Expected: A book mark would be created that the user can use to teleport to while using the VR editor

Callstack

Assertion failed: 0 [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Serialization/MemoryArchive.h] [Line: 56]

UE4Editor_Core!FWindowsErrorOutputDevice::Serialize() [d:\build\++ue4\sync\engine\source\runtime\core\private\windows\windowserroroutputdevice.cpp:79]
UE4Editor_Core!FOutputDevice::LogfImpl() [d:\build\++ue4\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:71]
UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:440]
UE4Editor_Core!FDebug::CheckVerifyFailedImpl() [d:\build\++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:418]
UE4Editor_Engine!FMemoryArchive::operator<<() [d:\build\++ue4\sync\engine\source\runtime\core\public\serialization\memoryarchive.h:56]
UE4Editor_Core!FStructuredArchive::FSlot::operator<<() [d:\build\++ue4\sync\engine\source\runtime\core\private\serialization\structuredarchive.cpp:390]
UE4Editor_CoreUObject!UObjectProperty::SerializeItem() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\propertyobject.cpp:102]
UE4Editor_CoreUObject!FPropertyTag::SerializeTaggedProperty() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\propertytag.cpp:224]
UE4Editor_CoreUObject!UStruct::SerializeTaggedProperties() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:1216]
UE4Editor_CoreUObject!UStruct::SerializeTaggedProperties() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:916]
UE4Editor_Engine!FActorComponentDuplicatedObjectData::Serialize() [d:\build\++ue4\sync\engine\source\runtime\engine\private\componentinstancedatacache.cpp:255]
UE4Editor_CoreUObject!UScriptStruct::SerializeItem() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:2172]
UE4Editor_CoreUObject!UStructProperty::SerializeItem() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\propertystruct.cpp:130]
UE4Editor_CoreUObject!UArrayProperty::SerializeItem() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\propertyarray.cpp:218]
UE4Editor_CoreUObject!FPropertyTag::SerializeTaggedProperty() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\propertytag.cpp:224]
UE4Editor_CoreUObject!UStruct::SerializeTaggedProperties() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:1216]
UE4Editor_CoreUObject!UScriptStruct::SerializeItem() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:2201]
UE4Editor_CoreUObject!UScriptStruct::SerializeItem() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:2143]
UE4Editor_Engine!operator<<() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\public\uobject\structonscope.h:291]
UE4Editor_Engine!operator<<() [d:\build\++ue4\sync\engine\source\runtime\core\public\containers\array.h:1111]
UE4Editor_Engine!FComponentInstanceDataCache::Serialize() [d:\build\++ue4\sync\engine\source\runtime\engine\private\componentinstancedatacache.cpp:519]
UE4Editor_Engine!AActor::FActorTransactionAnnotation::Serialize() [d:\build\++ue4\sync\engine\source\runtime\engine\private\actoreditor.cpp:460]
UE4Editor_ConcertSyncClient!FConcertClientTransactionManager::HandleObjectTransacted() [d:\build\++ue4\sync\engine\plugins\developer\concert\concertsync\concertsyncclient\source\concertsyncclient\private\concertclienttransactionmanager.cpp:358]
UE4Editor_ConcertSyncClient!TBaseRawMethodDelegateInstance<0,FConcertClientWorkspace,void __cdecl(UObject *,FTransactionObjectEvent const &)>::ExecuteIfSafe() [d:\build\++ue4\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:518]
UE4Editor_CoreUObject!UObject::PostTransacted() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\obj.cpp:543]
UE4Editor_UnrealEd!FTransaction::Finalize() [d:\build\++ue4\sync\engine\source\editor\unrealed\private\editortransaction.cpp:945]
UE4Editor_UnrealEd!UTransBuffer::End() [d:\build\++ue4\sync\engine\source\editor\unrealed\private\editortransaction.cpp:1111]
UE4Editor_Engine!UKismetSystemLibrary::execEndTransaction() [d:\build\++ue4\sync\engine\source\runtime\engine\classes\kismet\kismetsystemlibrary.h:77]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4643]
UE4Editor_CoreUObject!UObject::CallFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:904]
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2314]
UE4Editor_CoreUObject!UObject::execLet() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2100]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:974]
UE4Editor_CoreUObject!ProcessScriptFunction<void (__cdecl*)(UObject *,FFrame &,void *)>() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:809]
UE4Editor_CoreUObject!ProcessLocalFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1033]
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2314]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:974]
UE4Editor_CoreUObject!ProcessScriptFunction<void (__cdecl*)(UObject *,FFrame &,void *)>() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:809]
UE4Editor_CoreUObject!ProcessLocalFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1033]
UE4Editor_CoreUObject!ProcessLocalScriptFunction() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:974]
UE4Editor_CoreUObject!UObject::ProcessInternal() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1058]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4643]
UE4Editor_CoreUObject!UObject::ProcessEvent() [d:\build\++ue4\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1464]
UE4Editor_UMG!TMulticastScriptDelegate<FWeakObjectPtr>::ProcessMulticastDelegate<UObject>() [d:\build\++ue4\sync\engine\source\runtime\core\public\uobject\scriptdelegates.h:488]
UE4Editor_UMG!UButton::SlateHandleClicked() [d:\build\++ue4\sync\engine\source\runtime\umg\private\components\button.cpp:190]
UE4Editor_UMG!TBaseUObjectMethodDelegateInstance<0,UButton,FReply __cdecl(void)>::Execute() [d:\build\++ue4\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:617]
UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\build\++ue4\sync\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:293]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_6c1f6b862bcfb82ea6dcab28fbcc9463> >() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:271]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5594]
UE4Editor_VREditor!UVREditorUISystem::OnPreviewInputAction() [d:\build\++ue4\sync\engine\source\editor\vreditor\ui\vreditoruisystem.cpp:558]
UE4Editor_VREditor!TBaseUObjectMethodDelegateInstance<0,UVREditorUISystem,void __cdecl(FEditorViewportClient &,UViewportInteractor *,FViewportActionKeyInput const &,bool &,bool &)>::ExecuteIfSafe() [d:\build\++ue4\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:679]
UE4Editor_ViewportInteraction!TBaseMulticastDelegate<void,FEditorViewportClient &,UViewportInteractor *,FViewportActionKeyInput const &,bool &,bool &>::Broadcast() [d:\build\++ue4\sync\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:977]
UE4Editor_ViewportInteraction!UViewportInteractor::HandleInputKey() [d:\build\++ue4\sync\engine\source\editor\viewportinteraction\viewportinteractor.cpp:142]
UE4Editor_VREditor!UVREditorInteractor::HandleInputAxis() [d:\build\++ue4\sync\engine\source\editor\vreditor\vreditorinteractor.cpp:948]
UE4Editor_ViewportInteraction!UViewportInteractor::HandleInputAxis() [d:\build\++ue4\sync\engine\source\editor\viewportinteraction\viewportinteractor.cpp:542]
UE4Editor_ViewportInteraction!UViewportWorldInteraction::InputAxis() [d:\build\++ue4\sync\engine\source\editor\viewportinteraction\viewportworldinteraction.cpp:646]
UE4Editor_ViewportInteraction!UViewportWorldInteraction::PreprocessedInputAxis() [d:\build\++ue4\sync\engine\source\editor\viewportinteraction\viewportworldinteraction.cpp:664]
UE4Editor_ViewportInteraction!FViewportInteractionInputProcessor::HandleAnalogInputEvent() [d:\build\++ue4\sync\engine\source\editor\viewportinteraction\viewportinteractioninputprocessor.cpp:35]
UE4Editor_Slate!FSlateApplication::ProcessAnalogInputEvent() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5226]
UE4Editor_Slate!FSlateApplication::OnControllerAnalog() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:6557]
UE4Editor_SteamVRController!FSteamVRController::SendLegacyControllerEvents() [d:\build\++ue4\sync\engine\plugins\runtime\steam\steamvr\source\steamvrcontroller\private\steamvrcontroller.cpp:436]
UE4Editor_ApplicationCore!FWindowsApplication::PollGameDeviceState() [d:\build\++ue4\sync\engine\source\runtime\applicationcore\private\windows\windowsapplication.cpp:2369]
UE4Editor_Slate!FSlateApplication::PollGameDeviceState() [d:\build\++ue4\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1587]
UE4Editor!FEngineLoop::Tick() [d:\build\++ue4\sync\engine\source\runtime\launch\private\launchengineloop.cpp:3940]
UE4Editor!GuardedMain() [d:\build\++ue4\sync\engine\source\runtime\launch\private\launch.cpp:168]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:145]
UE4Editor!WinMain() [d:\build\++ue4\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:275]
UE4Editor!__scrt_common_main_seh() [d:\agent\_work\3\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll

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Fixed

Component	UE - Virtual Production
Affects Versions	4.22
Target Fix	4.23

Fix Commit	6081979
Main Commit	6890764

Created	Apr 22, 2019
Resolved	Apr 24, 2019
Updated	Sep 16, 2019

View Jira Issue

UE-73132

Crash when setting a bookmark after going live with Multi-User Editing

Crash when setting a bookmark after going live with Multi-User Editing

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