Crash on clicking Column Header in visRT window

Tools - Apr 22, 2015

The Engine will crash when you run the visRT command in Editor and click on an item in the visRT window and the click on a column header. also Reproduced in Main Promotable-CL-2513846 [Link Remove ...

Crash when opening a sequencer that has an actor with spring controller registered and play in editor

UE - Anim - Runtime - Mar 4, 2021

During end play in editor, there is an access violation referencing WorldSettings from SpringBone.  In the attached project, the character registered in the sequencer uses the "SpringController" no ...

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

MDL imported from Substance Source with Datasmith causes a crash

UE - Editor - Content Pipeline - Import and Export - Mar 8, 2019

MDL downloaded from Substance Source causes a crash. This is reported on UDN by an Enterprise customer: https://udn.unrealengine.com/questions/487598/why-would-ue4-is-always-crashing-when-import ...

Niagara Fluids Grid3D_Gas_Explosion causes a crash

UE - Niagara - May 4, 2022

Placing Grid3D_Gas_Explosion into a level then packaging the level for windows will crash the packaged project. The package will give an error that it crashed while loading and quit.  This does not ...

Level asset "Diff against depot" opens P4 Merge tool

UE - World Creation - Worldbuilding Tools - Mar 1, 2024

You can right click a level asset in the editor's Content Browser and do the action Source Control > Diff against Depot. However, this does not provide a useful diff window. It currently opens the d ...

Destroying a welded actor is causing an Array index out of bounds crash on 5.6

UE - Simulation - Physics - Jul 30, 2025

Destroying a welded actor is causing an Array index out of bounds crash on 5.6. The licensee has provided a repro project that reliably causes a crash whenever the spawned actor is destroyed. There ...

Crash when opening Post Process Material with Live Data Preview running in Profiler

UE - Foundation - Core - Feb 24, 2015

Edit: CrashReporter link: [Link Removed] When running the Session Frontend Profiler as a Live Data Preview and you open a Post Process material, the editor will crash to the desktop. Reproduced in ...