Unreal Engine Issues
Unreal Engine Issues
Crashes upon project start up
Tools - Feb 10, 2015Crash Report: [Link Removed] After downloading latest revision, user is no longer able to open project due to constant crash. ...
SIGSEGV: invalid attempt to access memory at address 0x3
UE - Platform - Apple - Jan 30, 2015Crash Report: [Link Removed] ...
Physics Constraint Actor: When plasticity is enabled, Drive Position Target is reset to zero on constraint initialization
UE - Simulation - Core - Mar 5, 2026When a Chaos joint constraint is first created, having linear/angular plasticity enabled will unexpectedly force its linear/angular drive position target to zero on initialization, disregarding the ...
Updates to DesiredFocusWidget for a UserWidget are not propagated to existing instances of it inside the WidgetTree of other widgets
UE - Editor - UI Systems - Nov 17, 2025This issue has been reproduced in UE 5.3 to 5.7 and source versions. A repro project is available. Below are the findings from an initial investigation of the problem. Normally, when a UserWidget p ...
[CrashReport] UE4Editor_Engine!FViewMatrices::FViewMatrices()
UE - Graphics Features - Aug 3, 2017This is a trending crash in the 4.17 previews. Unfortunately users have not provided any descriptions of their actions when the crash occurred. Source Context 464 FViewMatrices::FViewMatric ...
Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD()
UE - Platform - XR - Sep 7, 2016Packaging with plugins GearVR and GoogleVR together cause build failed with multiple definitions of GetHMD(). Log attached for build error and error portion plugged into the callstack box. ...
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 on 5.7 when running with the Vulkan RHI and async compute
UE - Rendering - Architecture - RHI - Dec 4, 2025Making this a placeholder for now. Will fill out the description asap ...
GPU crash when using RVT BaseColor/Normal/Roughness format
UE - Rendering - Architecture - May 24, 2023When using an RVT with BaseColor/Normal/Roughness format on DX12 with a GPU that supports Tier2, a GPU crash may be seen. ...
Oculus crash on "stereo on" when the proximity sensor is not triggered.
[Link Removed] Release-4.15 stream, latest. I built qagame in debug. Then I run it: trigger prox sensor - vr turns on 'stereo off' - vr off release prox sensor 'stereo on' - crash inside ovr_Submi ...