Unreal Engine Issues
Unreal Engine Issues
Crash in RHIBreadcrumbs during loading of Bundled PSO Cache if capturing an Insights trace on Win64 Development
UE - Rendering Architecture - RHI - Feb 17, 2025When compiling a PSO, RHI Breadcrumbs can be fed a bad FRHIBreadcrumbNode, resulting in reading random memory and crashing during the recursive node iteration. This only happens when tracing. The i ...
Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan
UE - Rendering Architecture - RHI - Oct 20, 2022This is a regression. Tested in: //UE5/Release-5.0 CL 20979098 - Crash did not occur. Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan. ...
[Synth][Tone Generator] - Editor crashes when Starting Synth Component Tone Generator
UE - Audio - Mar 29, 2022Starting a SynthComponentToneGenerator crashes the editor with the following assert:Assertion failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\SignalProcessing\Private\AudioBufferDis ...
[CrashReporter] UnrealEditor-CoreUObject!SavePackageUtilities::WriteToFile(FString const &,unsigned char const *,__int64) [SavePackageUtilities.cpp:544]
UE - Editor - Content Pipeline - Content Browser - Nov 22, 2022Generated from CrashReporter Fatal error: [Link Removed] [Line: 544] Could not write to One possible repro (but is possibly outdated) can be found in [Link Removed]. ...
[CrashReport] UE4Editor_MeshPaint!MeshPaintHelpers::FillVertexColors()
OLD - Anim - Jun 27, 2017This is a common crash in the 4.16 release. Users have not provided any descriptions, so additional information is currently unavailable. Source Context 804 elseif (USkeletalMeshComponent ...
Building Nanite on a Landscape with Visibility Mask multiple times gives an Assert
UE - Graphics Tools - Terrain - Landscape - Aug 28, 2023Repro Rate 15/25 Regression set to Yes as this was not found on //UE5/Release-5.2 CL 26001984 Binary Building Nanite with a Landscape that has a material including Landscape Visibility Mask still ...
[CrashReport] USpeedTreeImportFactory::FactoryCreateBinary()
UE - Editor - Content Pipeline - Import and Export - Sep 19, 2017This is a common and longstanding SpeedTree import crash that has occurred since at least 4.14 for over 100 users. This seems to be the same issue as a previous Jira from 4.10 which was closed wit ...
Crash after importing a 16k Normal Map while Unreal Real is Preparing Texture
UE - Texture - Sep 12, 2022This is a regression tested in //UE4/Release-4.27 cl18319896 Editor crashes after importing a 16k Normal Map while Unreal Real is Preparing Texture. Other non-normal maps seem to work without issue ...
[AI] Crash while loading navmesh with async static mesh compilation enabled
UE - AI - Navigation - Jun 16, 2022I tried 10+ times but am unable to get this to reproduce locally. Licensee reports that this is a rare crash for them. ...
[CrashReport] UE4Editor_MovieSceneTracks!UMovieSceneCameraCutSection::GenerateTemplate() [moviescenecameracutsection.cpp:24]
UE - Anim - Sequencer - Oct 30, 2017This is a somewhat common Sequencer crash that occurs in 4.17 and 4.18. User DescriptionsWas trying to copy and paste a camera movement but something screwed up, I tried to add an already built Cam ...