Crash retargetting AnimBP with "Allow remapping to existing assets" enabled

OLD - Anim - Aug 24, 2016

4.12 version of the crash: [Link Removed] Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 833] Array index out of bounds: 1 from an array of size 0 Sourc ...

Crash upon launching packaged game with Share Material Shader code enabled

UE - Graphics Features - Oct 27, 2017

When launching a packaged game that has Share Material Shader Code enabled, the process will crash before opening. Regression?: Yes This issue does not occur in 4.17.2-3658906+++UE4+Release-4.17 Th ...

Crash after removing frames in recorded animation

OLD - Anim - Aug 26, 2020

Crash after removing frames in recorded animation.  Reported in version 4.25.3 (CL-13942748) and tested in versions 4.24.3 (CL-11590370) and 4.25. Working as expected in 4.24.  ...

Reimporting SkeletalMesh with LODs generated via reduction tool crashes when reduction plugin is disabled

UE - Editor - Content Pipeline - Import and Export - Mar 12, 2021

When reimporting a Skeletal Mesh that has LODs generated via the reduction tool, the editor will crash if the Skeletal Mesh Simplifier plugin is disabled. This issue was originally reported on th ...

Crash exiting simulate in viewport

UE - Simulation - Physics - Sep 20, 2016

Crash occurs when the user stops simulating in viewport. ...

Crash when using Export All or Export Selected (UE4Editor-UnrealEd.dll!ULevelExporterFBX::ExportBinary)

Tools - Sep 21, 2017

Relates to [Link Removed] [Link Removed] Call stack is similar to the bugs above. Editor will crash when exporting assets from a level that is not dirtied. Another reproduction method is to selec ...

Projects using a class that inherits from SceneCapture2D may crash on launch on iOS devices

UE - Platform - Mobile - Jan 4, 2016

If a project uses a class that inherits from SceneCapture2D and sets the render target via code, the project will crash on launch on an iOS device. The project runs normally on PC and Android. Proj ...

Split Pins on a referenced Macro Library will crash the editor on restart

UE - Gameplay - Blueprint - Mar 3, 2016

Split Pins on a referenced Macro Library will crash the editor on restart 2 callstacks include, one for 4.10.4 and one for 4.11 Preview 6 User Description: I got some macros in my Object Macro Li ...

HighResScreenshot crashes in windows packaged exe

UE - Rendering Architecture - Mar 22, 2023

FHighResScreenShotConfig::Init() sets the materials only in the Editor, due to a #if WITH_EDITOR block. However, the FViewport class exposes the TakeHighResScreenShot to non-editor builds as well, l ...

Setting color in linear color struct variable within another struct crashes the editor

UE - Gameplay - Blueprint - Jun 16, 2016

Setting color in linear color struct variable within another struct crashes the editor. Frequency: 4/4 Regression (yes) issue (does not) occur in 4.11.2 ...