Description

[Link Removed]

Steps to Reproduce

Repro video [Link Removed]

Repro steps

  1. Open two editors under the same multi-user session
  2. Start a Take recorder and trigger a Playlist from Sequence Playlist from one editor

Result

  • Second editor will crash with the following callstack
  • Logs attached: [Link Removed]
Callstack
[2022.11.24-12.12.18:999][633]LogWindows: Error: === Critical error: ===
[2022.11.24-12.12.18:999][633]LogWindows: Error: 
[2022.11.24-12.12.18:999][633]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000018
[2022.11.24-12.12.18:999][633]LogWindows: Error: 
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc3e23b9c7 UnrealEditor-Sequencer.dll!UE::Sequencer::FTrackModel::FTrackModel() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Editor\Sequencer\Private\MVVM\ViewModels\TrackModel.cpp:60]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc3e2a2f8d UnrealEditor-Sequencer.dll!UE::Sequencer::FTrackModelStorageExtension::CreateModelForTrack() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Editor\Sequencer\Private\MVVM\TrackModelStorageExtension.cpp:110]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc3e318c49 UnrealEditor-Sequencer.dll!UE::Sequencer::FTrackModelStorageExtension::OnTrackAdded() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Editor\Sequencer\Private\MVVM\TrackModelStorageExtension.cpp:133]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc3e315a2c UnrealEditor-Sequencer.dll!UE::Sequencer::FTrackModelStorageExtension::OnReinitialize() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Editor\Sequencer\Private\MVVM\TrackModelStorageExtension.cpp:48]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc3d26bc14 UnrealEditor-SequencerCore.dll!UE::Sequencer::FDynamicExtensionContainer::ReinitializeExtensions() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Editor\SequencerCore\Public\MVVM\Extensions\DynamicExtensionContainer.h:147]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc44b6a2f4 UnrealEditor-MovieScene.dll!UMovieSceneSignedObject::PostEditUndo() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\MovieScene\Private\MovieSceneSignedObject.cpp:195]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc44b0c9ce UnrealEditor-MovieScene.dll!UMovieScene::PostEditUndo() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\MovieScene\Private\MovieScene.cpp:209]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc08a0b987 UnrealEditor-ConcertSyncClient.dll!ConcertClientTransactionBridgeUtil::ProcessTransactionEvent() [D:\P4V\LCY-QA-22514_Main\Engine\Plugins\Developer\Concert\ConcertSync\ConcertSyncClient\Source\ConcertSyncClient\Private\ConcertClientTransactionBridge.cpp:543]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc089d9a20 UnrealEditor-ConcertSyncClient.dll!FConcertClientTransactionBridge::ApplyRemoteTransaction() [D:\P4V\LCY-QA-22514_Main\Engine\Plugins\Developer\Concert\ConcertSync\ConcertSyncClient\Source\ConcertSyncClient\Private\ConcertClientTransactionBridge.cpp:656]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc08a0c188 UnrealEditor-ConcertSyncClient.dll!FConcertClientTransactionManager::ProcessTransactionFinalizedEvent() [D:\P4V\LCY-QA-22514_Main\Engine\Plugins\Developer\Concert\ConcertSync\ConcertSyncClient\Source\ConcertSyncClient\Private\ConcertClientTransactionManager.cpp:340]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc08a09b95 UnrealEditor-ConcertSyncClient.dll!FConcertClientTransactionManager::ProcessPending() [D:\P4V\LCY-QA-22514_Main\Engine\Plugins\Developer\Concert\ConcertSync\ConcertSyncClient\Source\ConcertSyncClient\Private\ConcertClientTransactionManager.cpp:178]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc08a03cb0 UnrealEditor-ConcertSyncClient.dll!FConcertClientWorkspace::OnEndFrame() [D:\P4V\LCY-QA-22514_Main\Engine\Plugins\Developer\Concert\ConcertSync\ConcertSyncClient\Source\ConcertSyncClient\Private\ConcertClientWorkspace.cpp:879]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffc089e7b77 UnrealEditor-ConcertSyncClient.dll!TBaseRawMethodDelegateInstance<0,FConcertClientWorkspace,void __cdecl(void),FDefaultDelegateUserPolicy>::ExecuteIfSafe() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:425]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ff6b18891f9 UnrealEditor.exe!TMulticastDelegate<void __cdecl(void),FDefaultDelegateUserPolicy>::Broadcast() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\Core\Public\Delegates\DelegateSignatureImpl.inl:983]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ff6b187c58a UnrealEditor.exe!FEngineLoop::Tick() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:5743]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ff6b1893c60 UnrealEditor.exe!GuardedMain() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\Launch\Private\Launch.cpp:188]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ff6b1893d4a UnrealEditor.exe!GuardedMainWrapper() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:107]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ff6b1896ad0 UnrealEditor.exe!LaunchWindowsStartup() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:244]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ff6b18a8a74 UnrealEditor.exe!WinMain() [D:\P4V\LCY-QA-22514_Main\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:282]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ff6b18abe26 UnrealEditor.exe!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffcddba74b4 KERNEL32.DLL!UnknownFunction []
[2022.11.24-12.12.18:999][633]LogWindows: Error: [Callstack] 0x00007ffcde5026a1 ntdll.dll!UnknownFunction []
[2022.11.24-12.12.18:999][633]LogWindows: Error:  

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Fixed
Fix Commit23610409
Release Commit23610409
CreatedNov 24, 2022
ResolvedJan 9, 2023
UpdatedFeb 20, 2023
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