Crash when baking materials for some skeletal meshes (like those found in Epic's Car Configurator project)

Tools - Jun 22, 2021

FMeshMergeHelpers::RetrieveMesh crashes when trying to prep some skeletal meshes for material baking. ...

Scene with texture collection crashes when dumping a full memreport

UE - Rendering Architecture - RHI - May 28, 2025

A licensee has reported that generating a full memreport of a packaged project which uses a texture collection leads to a crash. ...

Action Rpg Sample Creating a new GameplayCue handler crashes the editor in 4.24

UE - Gameplay - Dec 17, 2019

In Action Rpg sample, creating a new Blueprint of type GameplayCueNotifyActor or GameplayCueNotifyStatic, results in an Engine crash. The call stack leads to a PrintF Slate warning message that woul ...

Crash when entering Brush Editing mode with a Sequence spawnable Post process volume

UE - Graphics Tools - Modeling Tools - BSP - Mar 18, 2024

Changing the channel name inside of the channel mask parameter node results in crash

UE - Rendering Architecture - Materials - Mar 4, 2020

Changing the name of a channel inside of the channel mask parameter node results in a crash. ...

HLOD Build crashing when building nanite for mesh with 2 material having the same parameters

UE - World Creation - Worldbuilding Tools - HLOD - Dec 2, 2023

From Licensee: Catching the exception with debugger allowed us to find a list of materials on the hlod mesh on which the error occured and we were then able to link it to one of our meshes causing ...

SWorldPartitionEditorGrid2D causing editor to crash

UE - World Creation - Worldbuilding Tools - World Partition - Mar 13, 2023

Crash in Material Editor when calling GetScreenSpaceData() from custom node

UE - Rendering Architecture - Materials - Jan 27, 2023

A crash can occur when modifying a user-defined struct asset that's indirectly accessed through a variable node.

UE - Gameplay - Blueprint Editor - May 11, 2021

If a user-defined struct-type variable is declared in one Blueprint, and that variable is then indirectly accessed in a second Blueprint through a reference to the first Blueprint, modifying the str ...