Dedicated server crashes when running a multi-process game in standalone with the Code Editor plugin enabled

Tools - Jan 17, 2019

Attempting to run a standalone server and client using different processes will crash if the Code Editor plugin is enabled. ...

Remapping morph targets will crash if you have a cloth section

OLD - Anim - May 15, 2019

By calling FLODUtilities::SimplifySkeletalMeshLOD on a mesh with cloth sections that is set to remap morph targets, a crash occurs. This seems to be due to the indexing of sections with/without incl ...

Project configured to spawn Niagara system via Character blueprint in a Code project fails to Cook, then crashes project on open

UE - Niagara - Mar 7, 2019

Project configured to spawn Niagara system via Character blueprint in a Code project fails to Cook, then crashes project on open Discovered when verifying [Link Removed] (also similar to [Link Remo ...

World Memory Leak crash creating new level blueprint after editing sub level blueprint

UE - Gameplay - Jan 27, 2020

Crash occurs when the user adds a sublevel to the current level, edits the sublevel's level blueprint, and then attempts to make a new level. The state which triggers the crash seems to be when the ...

Crash on inputting Scalar Value in Grass Material Node

UE - LD & Modeling - Terrain - Landscape - May 6, 2015

Crash occurs when inputting a Scalar Parameter into the New to 4,8 Grass Node. Also reproduced in Main Promotable-CL-2535351 ...

Package fails after adding DesktopPlatform to public module dependency list

UE - Foundation - Core - Apr 6, 2017

Adding DesktopPlatform to the PublicDependencyModuleNames.AddRange() section of the Project.Build.cs file causes the project to fail packaging with the following error (full package logs in callstac ...

Crash when launching Google VR project

UE - Platform - XR - Dec 12, 2016

Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...

Crash in RecreateClothingActors() when using MasterPoseComponent

UE - Simulation - Physics - Character - Mar 27, 2019

As part of RecreateClothingActors(), the master pose component is not checked for a valid mesh and therefore when TransformComponent->GetComponentSpaceTransforms() is indexed into, crashes can occur ...

Nanite Landscape crash on save

UE - Graphics Tools - Terrain - Landscape - May 21, 2024

UDN description:When landscape is flagged as Nanite enabled but nanite mesh has not been built yet, a save operation (or an auto save) triggers a fatal failed check in ULandscapeNaniteComponent::Ini ...

CheckForWorldGCLeaks crash using New Level from Template node to duplicate sublevel of the currently loaded level

Tools - Feb 23, 2021

A world leak crash occurs when using NewLevelFromTemplate to duplicate a sublevel of the currently loaded level. The crash doesn't manifest until another level is loaded even though the Sublevel ins ...