Unreal Engine Issues
Unreal Engine Issues
Crash when using Crtl+Z after wrapping and selecting padding field
UE - Editor - UI Systems - Feb 22, 2017Editor crashes when clicking in to a padding field after wrapping a widget and then trying to undo the change. ...
Deploying from Windows to Linux fails on the first attempt
UE - Platform - Linux - Aug 3, 2017After hitting this failure, if you try to deploy again, then it will work. This only occurs on the first attempt. Initially, I thought I hit a disc space issue I was hitting due to having a sample ...
Crash when pressing Ctrl-Z after creating a blueprint function
UE - Gameplay - Blueprint - Feb 20, 2017Crash when pressing Ctrl-Z after creating a blueprint function *This is a regression: Working in 4.14.3-3249277 Not working in 4.15.0-3299760* Crash Reporter: Error message: Access violation ...
Crash when copying PF_Stencil format from the GPU to the CPU
UE - Rendering Architecture - RHI - Oct 18, 2023This is a crash related to copying depth-stencil render targets to the CPU. See linked UDN for more info. ...
Download of Starter pack sometimes fails
TM - Core - Sep 11, 2025Crash while scrolling through language options in Packaging settings
Tools - Jul 21, 2017This is a trending crash in the 4.17 preview. This is a regression Broken: 4.17.0-3528061 Worked: 4.16.2-3514769 User Descriptionsproject/settings/intern..language. Crashed it just by scrolling t ...
BP - Nativization will fail at cook time if a BP class and a User-Defined Structure reference each other.
UE - Gameplay - Blueprint - Apr 20, 2017Note: This happens with "Exclusive" nativization mode as well. This occurs because the nativized UDS 'GetDefaultValue()' method is generated into a .h file rather than a .cpp file. This creates a c ...
Crash launching UE4Editor.exe from cmd.exe with -dx12 argument
UE - Graphics Features - Feb 3, 2017My Nvidia driver is our current approved driver: 378.49 ...
Crash when using Ctrl+Z to undo a single digit change in the size of a widget
UE - Anim - Sequencer - Feb 21, 2017When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...
Virtual Texturing causes crash
UE - Graphics Features - Jul 29, 2019Virtual streaming a 4K texture and setting the max texture size to 2048 causes the engine to crash. Tested in 4.21.2 (CL - 4753547), 4.22.3 (CL - 7053647), 4.23 (CL - 7445012), 4.24(CL - 7646041) ...