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

UE - Gameplay - Blueprint - Jul 25, 2017

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 opening project with Hair assets

UE - Simulation - Physics - Jun 30, 2020

Crash occurs when the user opens the linked project, which has Hair assets. [Link Removed] ...

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

Tools - May 23, 2016

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()

UE - Niagara - Rendering - Jul 23, 2024

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

UE - Anim - Sequencer - Mar 14, 2018

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

UE - Anim - Sequencer - Feb 1, 2021

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

Crash on project startup due to certain Skeletal Mesh being accessed

UE - Anim - Runtime - Jan 6, 2021

If you open the 6 assets that were close unexpectedly it will crashEnemy (Blueprint), Player_BP (Blueprint) and ThirdPersonGameMode (Blueprint) it crashesThe texture and Projectile_Base (Blueprint) ar ...

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

UE - Niagara - Jan 18, 2024

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 ...

Crash when duplicating multiple components at once

UE - Gameplay - Blueprint - Apr 4, 2019

When duplicating multiple components at once it appears to crash the editor. Regression: Yes, this appears to be working in the previous version of the engine (4.21.2-4753647) ...

Compsure crashes when reordering transform passes

UE - Graphics Features - Aug 10, 2020

Re-ording the Transformpass array results in a crash of the engine. Link to repro video: [Link Removed] ...