Encountered an Access Violation crash while deleting an Widget Blueprint with an unsaved Animation Track.
The callstack references FSequencer::Tick().
I was not able to reproduce this issue in UE4/Main at CL 3496309.
It is therefore marked as a Regression.
Result:
Editor crashes with an Access Violation error referencing FSquencer::Tick()
Expected Result:
The Widget BP is deleted without errors or warnings
Frequency:
7/7
[2017.06.19-15.53.29:762][415]LogWindows: Error: === Critical error: === [2017.06.19-15.53.29:762][415]LogWindows: Error: [2017.06.19-15.53.29:762][415]LogWindows: Error: Fatal error! [2017.06.19-15.53.29:762][415]LogWindows: Error: [2017.06.19-15.53.29:762][415]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000000 [2017.06.19-15.53.29:762][415]LogWindows: Error: [2017.06.19-15.53.29:762][415]LogWindows: Error: UE4Editor-Sequencer.dll!FSequencer::Tick() [d:\engine\dev-editor\engine\source\editor\sequencer\private\sequencer.cpp:438] [2017.06.19-15.53.29:762][415]LogWindows: Error: UE4Editor-UnrealEd.dll!FTickableEditorObject::TickObjects() [d:\engine\dev-editor\engine\source\editor\unrealed\public\tickableeditorobject.h:21] [2017.06.19-15.53.29:762][415]LogWindows: Error: UE4Editor-UnrealEd.dll!UEditorEngine::Tick() [d:\engine\dev-editor\engine\source\editor\unrealed\private\editorengine.cpp:1414] [2017.06.19-15.53.29:763][415]LogWindows: Error: UE4Editor-UnrealEd.dll!UUnrealEdEngine::Tick() [d:\engine\dev-editor\engine\source\editor\unrealed\private\unrealedengine.cpp:392] [2017.06.19-15.53.29:763][415]LogWindows: Error: UE4Editor.exe!FEngineLoop::Tick() [d:\engine\dev-editor\engine\source\runtime\launch\private\launchengineloop.cpp:3191] [2017.06.19-15.53.29:763][415]LogWindows: Error: UE4Editor.exe!GuardedMain() [d:\engine\dev-editor\engine\source\runtime\launch\private\launch.cpp:166] [2017.06.19-15.53.29:763][415]LogWindows: Error: UE4Editor.exe!GuardedMainWrapper() [d:\engine\dev-editor\engine\source\runtime\launch\private\windows\launchwindows.cpp:134] [2017.06.19-15.53.29:763][415]LogWindows: Error: UE4Editor.exe!WinMain() [d:\engine\dev-editor\engine\source\runtime\launch\private\windows\launchwindows.cpp:210] [2017.06.19-15.53.29:763][415]LogWindows: Error: UE4Editor.exe!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253] [2017.06.19-15.53.29:763][415]LogWindows: Error: kernel32.dll!0x00000000775F59CD [2017.06.19-15.53.29:764][415]LogWindows: Error: ntdll.dll!0x000000007772A561 [2017.06.19-15.53.29:764][415]LogWindows: Error: ntdll.dll!0x000000007772A561 [2017.06.19-15.53.29:764][415]LogWindows: Error: [2017.06.19-15.53.29:774][415]LogExit: Executing StaticShutdownAfterError [2017.06.19-15.53.29:777][415]LogWindows: FPlatformMisc::RequestExit(1) [2017.06.19-15.53.29:777][415]Log file closed, 06/19/17 11:53:29
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-46206 in the post.
| 0 |
| Component | UE - Anim - Sequencer |
|---|---|
| Affects Versions | 4.17 |
| Target Fix | 4.17 |
| Created | Jun 19, 2017 |
|---|---|
| Resolved | Jun 20, 2017 |
| Updated | Apr 27, 2018 |