Unreal Engine Issues
Unreal Engine Issues
Crash in RecreateClothingActors() when using MasterPoseComponent
UE - Simulation - Physics - Character - Mar 27, 2019As part of RecreateClothingActors(), the master pose component is not checked for a valid mesh and therefore when TransformComponent->GetComponentSpaceTransforms() is indexed into, crashes can occur ...
Nanite Landscape crash on save
UE - Graphics Tools - Terrain - Landscape - May 21, 2024UDN description:When landscape is flagged as Nanite enabled but nanite mesh has not been built yet, a save operation (or an auto save) triggers a fatal failed check in ULandscapeNaniteComponent::Ini ...
CheckForWorldGCLeaks crash using New Level from Template node to duplicate sublevel of the currently loaded level
Tools - Feb 23, 2021A world leak crash occurs when using NewLevelFromTemplate to duplicate a sublevel of the currently loaded level. The crash doesn't manifest until another level is loaded even though the Sublevel ins ...
Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load
UE - Gameplay - Blueprint Compiler - Dec 22, 2023If a project from UE 4.27 or earlier has a blueprint with a reroute node dangling (no outgoing connection) from a Custom Event Node's delegate pin (red), this blueprint will crash when loaded in UE ...
iPadOS AR App Crashes when ARKit's "Use Scene Depth for Occlusion" is Enabled
UE - Platform - XR - Dec 13, 2024Does not crash in 5.4 on same hardware so looks like a regression. Attached Unreal logs indicate source of critical error: 'FARKitCameraOverlayMobilePS' shader uniform expression set mismatched sh ...
Android build fails with GPU Lightmass plugin enabled
UE - Platform - Mobile - Nov 5, 2020Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...
Bone names of ~100 characters or longer crash the editor when baking to control rig
UE - Anim - Rigging - Control Rig - May 15, 2025This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...
Crash after Undo and garbage collection on sequencer track
UE - Anim - Sequencer - Apr 18, 2019A crash occurs after adding an additional camera track, undoing the additional, and then calling garbage collection Appears to be the same callstack found here [Link Removed] ...
Crash when removing an item from a list view
UE - Editor - UI Systems - Apr 18, 2019When removing an item from a list view the editor will crash when trying to update. ...
Crash after deleting Editor Utility Widget and accessing it from Window menu
Tools - Feb 25, 2019Crash after deleting Editor Utility Widget and accessing from Window menu ...