Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime

UE - Niagara - Apr 16, 2019

Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...

Launching any QAGame map on Linux with an NVIDIA Card crashes at launch

UE - Graphics Features - Mar 11, 2022

Workaround:  "Start with "-windowed" in your command line until the issue is resolve" Engine does not crash. However, a crash appears when the game is launched in the output log. Issue is occurring ...

Crash when duplicating an UMG Animation and not renaming the Duplicate

UE - Anim - Sequencer - Dec 19, 2018

Crash when duplicating an UMG Animation and not renaming the Duplicate Hitting Enter correctly warns the user you have an existing Animation by that name, and doesn't crash Reproduced in //UE4/Rel ...

UnrealMathTest fails when compiled with VS2019

UE - Foundation - Cpp Tools - Oct 10, 2019

A crash or breakpoint is triggered when building UE4 with Project Files generated with -2019. Typeinfo.h was changed in MSVC v14.23 to just be typeinfo. ([Link Removed]) There is a pull request t ...

Editor crashes when assigning Landscape layer info while Forward Shading is enabled

UE - LD & Modeling - Terrain - Landscape - Nov 7, 2017

Crash occurs when Forward Shading is enabled in Forward Rendering Options User noted that if "Support Stationary Skylight" in Project Settings > Rendering > Shader Permutation Reduction is disabled ...

Crash when spawning an actor with an AtmosphericFogComponent in a packaged build

UE - Graphics Features - Aug 25, 2020

Spawning an actor that contains an AtmosphericFogComponent results in a crash in a packaged build. It doesn't occur in PIE, or StandAlone.  ...

Opening a widget blueprint on Linux causes editor to crash

UE - Platform - Linux - Aug 25, 2016

The editor crashes when attempting to open a widget blueprint. ...

Crash when enabling Shader Complexity Viewmode

UE - Graphics Features - Oct 11, 2022

Crash When Trying to Find a Blueprint Class with Niagara Particles

UE - Niagara - May 22, 2019

Crash When Trying to Find a Blueprint Class with Niagara Particles Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

Crash when writing WPO using SceneDepth

UE - Rendering Architecture - Materials - Feb 25, 2022