Unreal Engine Issues

Crash enabling Async Scene and opening level in editor

This is a regression from 4.14.3 at CL 3251583 ...

Crash - console command stat none

Engine Crash when Running a Screenshot Functional Test

Running a Screenshot Functional test, is causing an engine crash. By attaching a debugger to it, AScreenshotFunctionalTestBase::PrepareForScreenshot() is reached and GEngine->GameViewport is null, ...

Access Violation crash deleting a Widget Blueprint with an unsaved Animation track - FSequencer::Tick()

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/ ...

Crash in Blueprint when clicking on Component variable name that remains after Component was deleted

This is a common crash in 4.16 and trending in the 4.17 previews. It can be reproduced by clicking on the name of a variable that remains listed in a Blueprint after the associated component has al ...

Crash related to Vertex Painting - MeshPaint!CastChecked<AActor,UObject>()

This crash was reported on the UDN. Upon further investigation it has been experienced by a handful of different users throughout 4.11 and 4.12. JIRA logged for tracking despite unknown repro steps ...

check(!bPostTickComponentUpdate) fails triggered by UNiagaraComponent::CreateRenderState_Concurrent() and StaticMeshCompilingManager::FinishCompilation()

Reported alongside [Link Removed] Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears t ...

Crash When opening context menu in sequencer

Altering a key in an event track that contains a struck with a static mesh variable will cause the editor to crash. ...

Removing a transform track from the sequencer will no longer clean up spawnable actor when the sequencer is closed

Note : Reopening the level sequence causes ensure failed. (also see callstack) LogOutputDevice: Error: === Handled ensure: === LogOutputDevice: Error: Ensure condition failed: InstanceRegistry->I ...

Fixing Issue in Niagara stack across particle and system stages crashes the editor.

The Update Persistent Audio module has a dependency on a Play Persistent Audio module. When there are two modules in different overview nodes, the automatic fix up can put the Play Persistent Audio ...