Unreal Engine Issues
Unreal Engine Issues
Copy, Paste and Hover a Material Layer Blend Node causes Crash
Tools - Jun 25, 2015In the Material Editor, if all Live Previews are turned off, copying and pasting a Material Layer Blend Node will crash when the tool tip is being processed. Also Reproduced in Main Promotable-CL-2 ...
ACL Database Compressions fail to cook in multiprocess cooks.
UE - Runtime - Animation - Nov 1, 2024A licensee has reported that when using multiprocess cook on a project with ACLDatabase as their animation compression scheme, the project will assert on load. Assert from a sample project using th ...
Camera bookmark modifications are not saved unless it is a new bookmark
UE - Editor - Verse Class Editor - Dec 2, 2022This is not a regression. Tested in //UE5/Release-5.0 cl20979098. Camera bookmark modifications are not saved unless it is a new bookmark. From the user reporter: "FBookmarkTypeToolsImpl.CreateOrS ...
Crash during shader compilation when r.Shaders.Optimize=0
UE - Rendering - Architecture - Shaders - Mar 11, 2024The primary shader crashing is "FVisualizeLumenSceneCS" which I've put in the callstack section, but I think this is more likely a binding problem as I'm also see the following crash with cloud shad ...
Crash when an empty Anim Composite is attached to a Mesh component of a BP actor in a Level Sequence
zComponent - Archive - Sep 27, 2024There is a crash that will occur when an empty Anim composite asset is being referenced in the Mesh component attached to a BP actor within a level sequence. Crash also occurs in Live 5.4.4 - not a ...
[CrashReport] UE4Editor-ApplicationCore.dylib!invocation function for block in FMacApplication::DeferEvent()
UE - Platform - Apple - Dec 1, 2017This is an infrequent Mac crash in 4.18.1. Users have not provided any descriptions. Callstack from Log2017.11.27-02.08.07:839][947]LogMaterial: Missing cached shader map for material FLightmassMat ...
Assertion thrown while deleting a Curve from a Control Rig asset - DetailsViewWrapperObject.cpp: 231
UE - ACT Character - Control Rig - Apr 1, 2022Assertion thrown while deleting a Curve from a Control Rig asset. ...
Deadlock when running an asset validator commandlet with async skeletalmesh build
zComponent - Archive - Mar 10, 2023[External Code] UnrealEditor-Core.dll!FEventWin::Wait(unsigned int WaitTime, const bool bIgnoreThreadIdleStats) Line 1515 C++ UnrealEditor-Engine.dll!FAsyncTaskBase::WaitCompletionWithTimeout( ...
Editor crashes when creating a new level while the current level contains an Actor with an Actor Sequence Component
zComponent - Archive - Jan 5, 2022This is not a regression. Tested in: //UE5/Main CL18218925 Binary - Crashed //UE5/Release-5.0 CL16682836 Binary - Crashed //UE4/Release-4.27 CL Binary - Crashed Having a level open that contains a ...
Crash when CharacterMovementComponent's CapsuleTouched processes overlap with a GeometryCollectionComponent
UE - Runtime - Character - Oct 23, 2026POST LINK: https://forums.unrealengine.com/t/crash-when-charactermovementcomponents-capsuletouched-processes-overlap-with-a-geometrycollectioncomponent/2763431 POST BODY:Summary When a Character's ...