[CrashReport] D3D device lost. (Error: 0x887A0007 - 'RESET')

UE - Graphics Features - Dec 1, 2017

This is a common 4.18 crash that occurs before projects load. All cases experience the "RESET" error. Possibly just driver issues? Source Context 188 // Workaround for the fact that i ...

Editor Crashes when placing a widget blueprint from one widget blueprint into another via the user created section

UE - Editor - UI Systems - Oct 8, 2014

CHANGELIST: 4.5.0-2316912 CRASHREPORT: Did not produce an error report CALLSTACK: Did not produce an error report DESCRIPTION:   Editor Crashes when placing a widget blueprint from one widget b ...

Static light contained in a blueprint will need lighting rebuilt each time the project is reopened

UE - Gameplay - Jun 29, 2017

Static light contained in a blueprint will need lighting rebuilt each time the project is reopened. This only seems to occur for a static light that is parented to a static mesh and then that static ...

ScreenPosition material node outputs upside down ViewportUV when launching on android

UE - Graphics Features - Aug 28, 2018

ScreenPosition UV upside down on mobile. From User: "I believe the editor mobile preview provides "correct" results, while the mobile device produces upside down results. I ran into this issue w ...

UE4Editor does not start when there are no audio devices available

UE - Platform - Linux - Sep 26, 2018

UE4Editor does not open when there are no audio input or output devices available. The editor hangs at 83% after it initializes the AudioMixer. This issue looks like it was caused by CL 4396954. Et ...

A crash occurs inside the Unreal Editor when we change the Spline Point type of a spline point, and we subsequently select another spline point

UE - Editor - Workflow Systems - Jul 22, 2024

In versión 5.4, a crash has been found when using splines inside the LevelViewport. This crash occurs when we change the Spline Point Type of a spline point, and subsequently we select another splin ...

[CrashReport] Fatal Error: Outstanding reference to module 'Renderer' while trying to unload it

UE - Graphics Features - May 30, 2017

This crash was previously being tracked in [Link Removed] with a generic "Assertion failed: ModuleInfo.Module.IsUnique()" error message. Ben.M updated that with CL 3376654 and commented: "This cou ...

[CrashReport] UE4Editor_Renderer!FProjectedShadowInfo::AddSubjectPrimitive() [shadowsetup.cpp:793]

UE - Graphics Features - Oct 2, 2017

This is a trending crash coming out of the 4.18 Preview. User Descriptionsadded a directional light Source Context 779 const FPrimitiveSceneProxy* Proxy = PrimitiveSceneInfo->Proxy; ...

Mirror Data Table is NOT added SyncMarker automatically when creating

UE - Anim - Runtime - Oct 27, 2022

Mirror Data Table is added rows about Bone, Curve, Notify when creating. But SyncMarker is ignored. The following codes can fix this issue. Engine/Source/Runtime/Engine/Private/Animation/MirrorDa ...

RemoteToolChainPrivate.key permissions issue with Microsoft account Windows users

UE - Platform - Mobile - May 14, 2020

Also have attach that exact RemoteToolChainPrivate.key file Logs when attempting to launch TM-ShaderModels Error:[Remote] Using private key at C:\Users\varun\AppData\Roaming\Unreal Engine\UnrealBu ...