Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName)

UE - Anim - Sequencer - Jul 12, 2017

Editor Crashes when working in QAGame TM-Sequencer_EventTrack - TCString<TCharType>::Strlen(InName) This Assert happens randomly throughout the repro-steps. I am unsure what about the process cause ...

Crash when moving a sprite imported as part of a spritesheet to another folder if the sprite names had invalid characters

UE - Editor - Content Pipeline - Content Browser - Oct 28, 2014

Attempting to move any of the sprites created from this .json to another folder from within the Content Browser crashes the project. CRASHREPORT: 442758 ...

Movie Render Queue Deferred Lighting(Detail Lighting) only outputs Lighting Only

UE - Anim - Sequencer - MRQ - Jun 29, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL#18319896 Movie Render Queue Deferred Lighting(Detail Lighting) appears to only output Lighting Only.  ...

Crash attempting to force delete a duplicate skeletal mesh while in Paint Mode

OLD - Anim - May 17, 2017

The editor crashes when you Force Delete the vertex painted asset in the viewport from the content browser. This was not a feature in 4.15 therefore not a regression This also happens in 4.17 - f ...

Crash when calling SetVector2DParameter on a Niagara Parameter Collection

UE - Niagara - Mar 10, 2022

Crash when calling SetVector2DParameter on a Niagara Parameter Collection. The value for the SetVector2DParameter may or may not have to be changed in order for the crash to occur.  Assertion faile ...

Crash when adding a Material Layer with a Static Component Mask Parameter node to a Material Instance

UE - Graphics Features - Apr 15, 2021

When adding a Material Layer, that has a Static Component Mask Parameter node in it, to a Material Instance, the editor will crash.   The ability to set Material Attribute layers in a Material Inst ...

Crash when a material with a texture parameter is deleted when it has instances with static permutations

UE - Graphics Features - Dec 28, 2016

This was the simplest solid repro I could get on this bug. The callstack is similar to [Link Removed] Also came across several Shader Compiling Manager crashes while attempting to repro this crash ...

Assets containing TSet or TMaps fail to Nativize

UE - Gameplay - Blueprint Runtime - Dec 12, 2016

Multiple compile failures while attempting to nativize the QABP_Containers asset in QAGame. Errors:[2016.12.12-15.20.04:831][486]UATHelper: Packaging (Windows (64-bit)): xgConsole: QABP_Containers_ ...

Crash on Adding Elements to Array On Instance of Actor in the Level

Tools - May 25, 2018

When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...

"Assertion Failed" crash while Force Deleting the FirstPerson folder within FirstPersonTemplate project

UE - Gameplay - Oct 28, 2016

The Editor crashes while Force Deleting the FirstPerson folder within a FirstPersonTemplate project. This behavior is consistent between Blueprint / Code versions of FirstPersonTemplate projects. ...