Launch crashes on Android if device has Wifi disconnected

UE - Platform - Mobile - Mar 10, 2016

Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...

[CrashReport] UEdGraphPin::Modify - UEdGraphSchema_K2::RecombinePin

UE - Gameplay - Blueprint - Sep 7, 2017

This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 606 void UEdGraphPin::AddStructRe ...

[CrashReport] UE4Editor-Renderer.dylib!void FForwardLightingParameters::Set<FRHICommandList, FRHIPixelShader*>()

UE - Graphics Features - Oct 27, 2017

This is a 4.18 Mac/Metal crash that has occurred for a few users. It appears related to the Forward Renderer. Callstack from Log[2017.10.27-06.10.08:809][261]LogMaterial: Missing cached shader map ...

Editor crash when a Breakpoint is added to a Widget's Tick function

UE - Editor - UI Systems - Aug 18, 2017

Editor crashes when a widget's tick contains a breakpoint at a print string node. Based on 4.16 warning message, this appears to be caused by the text attempting to draw when no draw buffer is avai ...

Crash clicking on "Recent Levels" or "Package Project" in File menu

UE - Editor - UI Systems - Slate - Jan 22, 2016

I tried to debug. In:for (int32 StackIndex = Stack.Num() - 1; StackIndex >= FirstStackIndexToRemove; --StackIndex) { Stack[StackIndex]->Dismiss(); // <-- here } It crashes because Stack is em ...

Custom Depth range is different than Pixel Depth range

UE - Rendering - Graphics Features - Sep 25, 2025

Shaders that compare custom depth and pixel depth get wrong output values because the ranges are different. This error is most noticeable over large distances. The difference in ranges is due to t ...

Render Movie using separate process crashes capture process

OLD - Anim - Jan 14, 2017

This is a regression exposed at CL 3242934 - QAGame: Adding test content to QA-Sequencer for Override Bindings. Crash does not occur in 4.16. I'm not certain how the content changes are triggering ...

[CrashReport] UE4Editor_UnrealEd!FAssetEditorToolkit::InitAssetEditor() [asseteditortoolkit.cpp:62]

Tools - Aug 29, 2017

This is an infrequent crash occurring for users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack is the same as in [Link Removed], but that ...

VR Preview crash when shadow quality is set to low

UE - Platform - XR - Dec 5, 2024

[/Script/Engine.RendererSettings] r.Tonemapper.Sharpen=2 r.TemporalAA.Upsampling=False r.DefaultFeature.AutoExposure.ExtendDefaultLuminanceRange=True r.LightPropagationVolume=0 r.ReflectionCaptureRe ...

Lightmass: Blocky lightmap artifacts appears on the Mesh Actor which is shadowing by a single face mesh

UE - Graphics Features - Lumen - Jun 9, 2020

Begin Map Begin Level Begin Actor Class=/Script/Engine.StaticMeshActor Name=Plane_2 Archetype=/Script/Engine.StaticMeshActor'/Script/Engine.Default__StaticMeshActor' Begin Object Class=/Script/En ...