Unreal Engine Issues
Unreal Engine Issues
Indirect lighting samples incorrect if duplicated levels placed in same persistent level
UE - Graphics Features - Aug 29, 2017Indirect lighting samples were not made correctly when building lighting with umap duplicated via the content browser and registering both source and destination as sublevels in one map. ...
[CrashReport] UE4Editor_MovieScene!FMovieSceneEvaluationTrack::EvaluateStatic() [moviesceneevaluationtrack.cpp:445]
UE - Anim - Sequencer - Apr 11, 2018No comments from users in crash group 442 void FMovieSceneEvaluationTrack::EvaluateStatic(FMovieSceneSegmentIdentifier SegmentID, const FMovieSceneEvaluationOperand& Operand, FMovieSceneConte ...
Option "Use Mouse for Touch" does not work correctly when running the game in "Standalone" or "New Editor Window (PIE)" modes: Virtual joystick does not appear and mouse cursor is incorrectly hidden while captured.
UE - Gameplay - Input - Apr 1, 2025The Editor provides option "Project Settings – Engine – Input – Mouse Properties – Advanced – Use Mouse for Touch" to allow testing virtual joysticks and other touch controls with the mouse. When ru ...
[CrashReport] UnrealEditor-MetalRHI!FMetalRHIBuffer::FMetalRHIBuffer(unsigned int, EBufferUsageFlags, EMetalBufferUsage, ERHIResourceType) [MetalVertexBuffer.cpp:152]
UE - Rendering Architecture - RHI - May 31, 2022Generated from CrashReporter ...
[CrashReport] UE4Editor-MetalShaderFormat!SingleCompilerSetup(EAppleSDKType) [MetalShaderCompiler.cpp:716]
UE - Platform - Apple - May 6, 2020Generated from CrashReporter ...
Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing
UE - Anim - Anim in Engine - Jul 11, 2022Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing. ...
[CrashReport][Crash] UnrealEditor-Core!IMemoryReadStream::CopyTo()
UE - Rendering Architecture - Apr 10, 2025Intermittent crash in virtual texture transcode. Usually mempy from nullptr but also occasionally we see the same callstack with memcpy to random location. ...
[CrashReport] UE4Editor_MovieSceneTools!FPropertySection::GetPropertyValue<float>() [propertysection.h:70]
UE - Anim - Sequencer - Sep 20, 2017This is a somewhat common crash in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 58 /** Gets the current value of the property w ...
Spline mesh crashing in FRayTracingDynamicGeometryCollection::AddDynamicMeshBatchForGeometryUpdate
UE - Graphics Features - Ray Tracing - Jan 31, 2025A crash occurs when using ray tracing with spline meshes preceded by the following ensure : Ensure condition failed: NumCPUVertices <= VertexBufferNumElements File: Engine\Source\Runtime\Renderer\ ...
[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2305]
UE - Gameplay - Jan 24, 2018Comments from users:I was simply syncing my project with the git repository at the end of it, it crashed with this errorperforce resync ...