Unreal Engine Issues
Unreal Engine Issues
Streaming Nodes and Runtime LiDAR point clouds causes Engine to Crash
UE - Editor - Content Pipeline - Datasmith - May 16, 2022Frequent runtime operations on Lidar Point Cloud Octree cause Access Violation ExceptionEdit The Exception occurs while checking bInUse value of QueuedNode, which suggests that this QueuedNod ...
Physics Constraint returns incorrect values for Swing1, Swing2, and Twist
UE - Simulation - Physics - Jul 7, 2022Tested in //UE5/Main CL#20966071 Tested in //UE4/Release-4.27 CL#18319896 Physics Constraint returns incorrect values for Swing1, Swing2, and Twist. ...
NotifyControllerChanged not always called on client
UE - Gameplay - Apr 20, 2022See linked UDN for more information. ...
[CrashReport] UnrealEditor-MetalRHI!FMetalRHIBuffer::FMetalRHIBuffer(unsigned int, EBufferUsageFlags, EMetalBufferUsage, ERHIResourceType) [MetalVertexBuffer.cpp:152]
UE - Rendering Architecture - RHI - May 31, 2022Generated from CrashReporter ...
Assertion failed: ExportSettings == *ExistingExportSettings [File:D:\build\++UE5\Sync\Engine\Source\Editor\UnrealEd\Private\Lightmass\Lightmass.cpp] [Line: 546]
UE - Graphics Features - Sep 12, 2023Generated from CrashReporter Logs can be obtained via Crash Reporter ...
Setting Texture Group "UI" from Editor Utility Blueprint at Import causes a crash
UE - Texture - Nov 28, 2023In Blueprint, binding a custom event to OnAssetPostImport and setting TextureGroup to UI causes the UE editor to crash. But if it sets to the other group like "World" or "Character", this crash does ...
Adding a code class derived from AnimInstance to a project created using the code Vehicle template will cause the Visual Studio build to fail.
UE - Gameplay - Dec 1, 2014Adding a new code class derived from AnimInstance will cause the Visual Studio build to fail in a project based on the code Vehicle template. The build errors indicate that there are problems in the ...
Editor crash on Mac when closed after adding third party library plugin
UE - Platform - Apple - Apr 11, 2016After adding a third party plugin to a project and restarting as prompted, closing the editor again causes a crash. Crash Reporter Link: [Link Removed] Additional Note: This crash was encountered ...
Sky Atmosphere Material Nodes not Correctly Represented in the Surface Cache for Nanite Enabled Static Meshes
UE - Graphics Features - Apr 1, 2025When nanite is enabled on a static mesh, lighting contributions from Sky Atmosphere material nodes are not incident on the static mesh and no longer present in the overall lighting of the scene. Th ...
[Interchange] Crash on asset re-import
UE - Editor - Content Pipeline - Import and Export - Feb 7, 2025We've started seeing a crash in editor when re-importing one of our assets. <pre class="ql-syntax">Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 783] Array index out of ...