Unreal Engine Issues
Unreal Engine Issues
Enabling Merge GC Clusters and Blueprint Clustering causes a packaged Window project to crash
UE - Foundation - Core - Cooker - Jan 3, 2019Enabling the check boxes for Merge GC Clusters and Blueprint Clustering causes packaged Windows projects to crash on startup. The log and dump files regarding this crash have been attached to this t ...
[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync
UE - AI - Navigation - Jan 27, 2025Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...
Native variable references like GameplayAttribute cannot be searched by "Find in Blueprints" or "Asset Search"
UE - Framework - Blueprint Editor - Jan 4, 2023"Find in Blueprints" does not turn up results when searching a GameplayAttribute by name, even when there is a GameplayEffect blueprint that has a modifier for that GameplayAttribute. This is becau ...
r.Shaders.Optimize=0 crashes when compiling a UI material
UE - Rendering Architecture - Materials - Sep 2, 2024[2024.08.30-22.12.22:384][ 73]LogWindows: Error: appError called: Assertion failed: CurrentGPUVirtualAddress != 0 [Link Removed] [Line: 659] Disabling shader optimisation can crash the editor when ...
Compile error in ShadowDepthVertexShader.usf if INTERPOLATE_POSITION
UE - Graphics Features - Oct 21, 2015Shader compile error in function PositionOnlyMain() in ShadowDepthVertexShader.usf if defined INTERPOLATE_POSITION. LogShaderCompilers:Warning: 1 Shader compiler errors compiling WorldGridMaterial ...
Exporting process stuck in "Estimated time" phase when uploading projects with Panorama Sets & Presentation after freshly booting TM
TM - Core - Dec 4, 2024Cloud Build: TWINMOTION CL app-2023.2.33001994-2024.1.37216540-2025.1.38508591-cloud-2024.12.02.095314 (DEV / STAG, CHROME) Issue: Exporting process stuck in "Estimated time" phase when uploading p ...
[CrashReport][Assert] UnrealEditor-D3D12RHI!FD3D12ResourceLocation::ReleaseResource() [Engine/Source/Runtime/D3D12RHI/Private/D3D12Resources.cpp:1392]
UE - Rendering Architecture - RHI - Oct 22, 2024Users affected: 73 Total occurrences: 156 Last occurrence: October 22nd 2024, 9:59:58 am First occurrence: October 2nd 2024, 4:53:30 pm Latest version: ++UE5+Release-5.5-CL-36679577 Platform: Win64 ...
Cannot find source code error when doubleclicking blueprint nodes to see it in the code.
UE - Gameplay - Blueprint - Apr 2, 2018The launcher version engine cannot find *.inl file from installed location (i.e. in my case it is located at D:\Launcher\UE_4.19\Engine\Source\Runtime\Engine\Classes\Kismet\KismetMathLibrary.inl) an ...
On static mesh import correctly named materials in project aren't automatically applied
UE - Editor - Content Pipeline - Import and Export - Jul 16, 2019When importing a static mesh into a project with the appropriately named materials in it already they won't apply to the mesh automatically when setting Search Location to All Assets without being i ...
Advanced Vechicle Template throws warning about no default skeleton when opening the physics asset
Docs - Samples - Dec 3, 2014DESCRIPTION: If you try to open the physics asset for the Advanced Vehicle template will throw a warning that the physics asset has no default skeleton and that it will be replaced with the default ...