[AI] Crash while loading navmesh with async static mesh compilation enabled

UE - AI - Navigation - Jun 16, 2022

I tried 10+ times but am unable to get this to reproduce locally. Licensee reports that this is a rare crash for them. ...

Opening Particle System in Debug Mode will crash Editor

UE - Graphics Features - Sep 11, 2015

Running a Project in Debug Mode and attempting to open a Particle System using a DepthFade node in Material will crash the Editor with the message listed in Callstack ...

UMG - Drag/Drop crash on exit when dropping back onto an old slot.

UE - Editor - UI Systems - Jan 7, 2015

When dragging and dropping a widget onto an old slot, it resulted in a crash on exit. ...

Clicking "Pause on Impact" with in the details of the InterpToMovement component will cause a crash

UE - Gameplay - Blueprint - Apr 30, 2015

When checking the "Pause on Impact" check box within the details panel for the InterpToMovement component, the editor crashes ...

[CrashReport] Mac crash - libobjc.A.dylib!objc_retain() [UnknownFile]

UE - Platform - Apple - Nov 10, 2017

This is a longstanding but low frequency Mac crash. User DescriptionsChanging camera shake values and testing in a new editor window Callstack from Log[2017.11.09-19.23.22:392][ 63]LogMaterial: Mi ...

User is crashing when transferring files from an older project to a new template

Tools - Feb 4, 2015

User is crashing when they attempt to copy files over into a new project and then load up the new project. CrashReporter: [Link Removed][Link Removed][Link Removed] Log files are also attached to ...

Crash in FTickFunction::RegisterTickFunction

UE - Gameplay - Jan 31, 2017

Per https://udn.unrealengine.com/questions/319627/uworldspawnactor-with-template-parameter-causes-cr.html ...

Switching raytracing console variable in runtime can crash engine.

UE - Graphics Features - Lumen - May 13, 2020

Licensee reported that is caused by missing ECVF_RenderThreadSafe flag in these console variable definitions. r.RayTracing.Shadows r.RayTracing.AmbientOcclusion r.RayTracing.Reflections Here is a ...

Static lighting crash on 5.4 when using landscape with WPO

UE - Graphics Tools - Terrain - Landscape - May 22, 2024

When static lighting is built for a landscape with "Use Material Position Offset in Static Lighting" enabled it causes an editor crash. Licensee mentioned it was likely caused by a commit for 5.4, C ...

Crash due to trying to run node of Editor Scripting category

UE - Gameplay - Blueprint - Jul 12, 2018

Application crashes when using nodes in Editor Scripting category in package. The reason is that the processing of the node in the Editor Scripiting category is surrounded by #if WITH_EDITOR.  As ...