Unreal Engine Issues
Unreal Engine Issues
Data Layers: GetDataLayerInstanceFromAssetName differs between editor and non-editor
UE - World Creation - Worldbuilding Tools - Data Layers - Apr 9, 2024From licensee: The function AWorldDataLayers::GetDataLayerInstanceFromAssetName() uses different names in #WITH_EDITOR and without editor builds: #WITH_EDITOR config calls DataLayerInstance->GetDa ...
ACineCameraAttachMount's "Target Actor" constraint does not work with Spawnables or Replaceables in Sequencer
UE - Virtual Production - Tools - Virtual Camera - Aug 12, 2025Constraints (UTickableConstraint) are usually created throuh the "Animation" tab available in the Editor's "Animation Mode". When created through that interface while Sequencer is open, the internal ...
Crash when precaching PSOs for decals from non-game thread
UE - Rendering - Architecture - Shaders - Aug 21, 2024During async loading from an AsyncLoading thread, DecalComponent attempts to precache PSOs which can trigger a checkf in StrongObjectPtr.h which are only allowed to be created on a game thread. ...
Missing libomp140 DLL causing crashes in Hair Card Generator plugin
EA Motive has run into a crash when using the hair card generator plugin. A missing DLL is preventing them from creating hair cards according to the initial investigation from their engineers. More ...
Cvars sections in Sequencer behaving incorrectly when using MRQ
UE - Virtual Production - Tools - MRQ - Aug 9, 2023Some key lines in the code:Engine\Source\Runtime\MovieSceneTracks\Private\TrackInstances\MovieSceneCVarTrackInstance.cpp:177 --> Apply CVar when entering sectionEngine\Source\Runtime\MovieSceneTra ...
Linux crashes in the Project Browser without using the -nocef command
UE - Platform - Linux - Feb 22, 2022When opening Unreal Editor on Linux, the Project Browser opens but is completely unresponsive. Shortly afterwards the editor will crash. If you use the -nocef command when opening the Editor, everyt ...
Pasting nodes into level blueprint crashes editor
UE - Gameplay - Blueprint - Jun 13, 2017[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:492]
UE - Rendering - Architecture - RHI - Mar 29, 2019Callstack is garbage past D3D12 calls but logging for visibility. Generated from CrashReporter ...
SingleLayerWater Material crashes when sampling SceneTexture:CustomStencil.
UE - Rendering - Architecture - Shaders - Sep 19, 2024There is a texture mismatch between the expected texture samplers and actual texture samplers for SingleLayerWater materials that use the Material Function StencilMaskCompare. Also tested on UE5.5, ...
Editor crashes when closing one viewport while two viewports are open in persona
UE - Anim - Runtime - Jul 20, 2023Crash when opening anim sequence and closing one viewport with two viewports open. No crash when one viewport is closed from one viewport open. ...