Crash with assigning APEX Cloth that uses a custom graphical mesh

UE - Simulation - Physics - Feb 24, 2015

When a graphical mesh is used to create a lower LOD for cloth assets and the Cloth FBX has the APB assigned to the material for the cloth there will be a crash. ...

Crash at runtime when rotating a retainer box that contains an image

UE - Editor - UI Systems - Mar 29, 2017

Crash at runtime when rotating a retainer box that contains an image ...

Crash when adding Emitter in parameters in Niagara

UE - Niagara - Jun 7, 2018

When adding an emitter to a Niagara System, in 4.20 Preview 1, the Editor freezes up and crashes. ...

[Waveform Editor] - Changing the Edit time on a Sound Wave that has TotalSamples=0.0 can crash editor

UE - Audio - WaveformEditor Plugin - Nov 10, 2022

Rapidly changing the End Time on an asset that has TotalSamples=0.0 in the WaveFormEditor cases the editor to crash. Work around is to reimport the asset, which will restore that value. The crash hi ...

Adding a Local Variable to a blueprint Construction Script will cause a crash

UE - Gameplay - Blueprint - Dec 18, 2014

Adding a Local Variable to a blueprint Construction Script will cause a crash ...

Crash when Changing LOD Group on SpeedTree Assets

UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 22, 2016

A crash occurs when changing/setting the LOD Group of a SpeedTree asset within the Static Mesh editor. Regression? Yes, this crash does not occur in the 4.13.2 binary release. ...

LIVE: EDITOR: MATERIALS: CRASH: Setting the MipValueMode for MipLevel or MipBias to 4 or higher will crash the editor

UE - Graphics Features - Oct 14, 2014

BRANCH: MAIN CHANGELIST: 2322258 PLATFORM: Windows DESCRIPTION: When using a texture sample with the MipValueMode to MipLevel or MipBias with a value of 4 or higher will cause a crash. ...

[CrashReport][Assert] Engine!static class FText R CC AddParameter FMaterialCachedExpressionData QEAA_NAEBUFMaterialParameterInfo AEBUFMaterialParameterMetadata AEAPEAVUObject AEAPEAVUTextureCollection AEAVFText Z QEBA AV7 AEBUFMaterialCachedPa

UE - Rendering Architecture - Materials - Jun 20, 2025

#15 crash out of 7012 in UE 5.6.1 on Windows#7 crash for UE - Rendering Architecture in UE 5.6.1 on Windows#2 crash for UE - Rendering Architecture - Materials in UE 5.6.1 on WindowsAssertion failed ...

In Compiler Results, Link to Compiler Error Navigates to Main Editor Window Instead of Node in Blueprint

UE - Gameplay - Blueprint - May 17, 2016

When there is in error in a Blueprint that causes the blueprint to fail, in the Compiler Results tab, the link to the node with the error will navigate to the main editor window instead of directing ...

Tool tip grammer error for "Force Layout Prepass" node

UE - Editor - UI Systems - Oct 16, 2019

Grammatical error in a tool tip for the Force layout prepass node. It appears that he word "is" needs to be removed (see attached image) ...