Unreal Engine Issues
Unreal Engine Issues
Build failure packaging for android with GoogleVR plugin enabled
UE - Platform - XR - Oct 12, 2016Android is failing to package when GoogleVR is enabledUATHelper: Packaging (Android (ATC)): UnrealBuildTool: BUILD FAILED UATHelper: Packaging (Android (ATC)): UnrealBuildTool: C:\NVPACK\android-sd ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRHICommandContext::RHIEndDrawIndexedPrimitiveUP()
UE - Graphics Features - Nov 2, 2017This is a trending Mac/Metal crash in the 4.18 release, although although it has existed with low frequency since at least the 4.16 release. Users have not provided any descriptions of their actions ...
[CrashReport] Crash CheckForWorldGCLeaks() - EditorDestroyWorld()
UE - AI - Sep 8, 2017This is a somewhat common but longstanding Mac crash that has affected users since at least 4.13. Recently in 4.17.1, the crashes are all occurring in various ARKit projects User DescriptionsI add ...
[CrashReport] Mac crash - UE4Editor-Slate.dylib!PrepassWindowAndChildren(TSharedRef<SWindow, (ESPMode)0>)
UE - Platform - Apple - Oct 27, 2017This Mac crash originally occurred in 4.15 around March 2017, then decreased in frequency during 4.16 and 4.17. It may be starting to trend again in 4.18. There is one record of this occurring in 4 ...
Failure packaging for android that supports both armv7 arm64 with GoogleVR plugin enabled
UE - Platform - XR - Aug 30, 2016Unable to package a build for android (ATC) if the GoogleVR plugin is enabled and both arm64 and armv7 are supported. This does not reproduce if you turn off GoogleVR. This does not reproduce if yo ...
tvOS/IOS: Fails to Build with dSYM Options Enabled Due to DsymExporter Erroring Out
UE - Platform - Mobile - Jan 22, 2019When attempting to package for tvOS or iOS with the generate dSYM options enabled, numerous instances of the following errors occur:[2019.01.21-20.53.35:739][138]UATHelper: Packaging (tvOS): [2019 ...
DLC Package content isn't recognized when using RequestAsyncLoad
UE - Foundation - Core - May 24, 2016Attempting to load dlc assets with RequestAsyncLoad function results in the assets not being recognized. ...
Crash when attempting to change the parent of a material instance constant through editor scripting
UE - Rendering Architecture - Materials - Apr 9, 2025The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...
NVIDIA 5080 GPU Crash when launching City Sample with DX12
UE - Graphics Features - Lumen - Apr 16, 2025UPDATE This issue no longer reproduces on driver versions 580.88 and higher. City Sample game crashes immediately upon opening with a NVIDIA 5080 with the latest drivers as well as some previous dr ...
Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior
UE - Simulation - Physics - Nov 21, 2024Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior. In the repro project provided (see addl in ...