Unreal Engine Issues
Unreal Engine Issues
Nanite Landscape Visibility Layer Crash
UE - Graphics Tools - Terrain - Landscape - Jun 10, 2026Upon saving the level after creating the landscape and painting visibility, the editor crashes. When you restart the editor and load the level, you are greeted with a warning in the upper right corn ...
Live: Crash when opening a blueprint who's component was edited in VS
UE - Gameplay - Blueprint - Oct 31, 2014Added functionality to a blueprint component through code and built the project in VS. After a hot reload, I saved the blueprint and closed the editor. Reopening the editor and the blueprint cause ...
Landscapes cause Vulkan crash related to GRHISupportsAttachmentVariableRateShading
UE - Rendering - Architecture - RHI - Nov 7, 2022Binary (Installed Build)//UE5/Release-5.1 @CL22986940 I encountered this same crash when creating a landscape twice, but was not able to consistently reproduce it with those steps. I figured out th ...
Running a server from the editor will crash this project
UE - Networking - Mar 8, 2015Running a server from the editor will crash this project. Reproduced by using UE4Editor <projectname> -server -log to run the editor. This does not occur with a new project in 4.7.2 or in Main. ...
Consistent Crash using Cinematic Viewport on Linux
UE - CAPT - Sequencer - Aug 13, 2026We are getting multiple crashes on 5.8.1 when trying to use the cinematic viewport on Linux, the most consistent way it's been reproduced is by clicking on the blue frame number to the left of the c ...
Crash when calling capture mouse as the return value in an OnKeyDown
UE - Editor - UI Systems - Sep 25, 2017The editor crashes when calling an over ridden On Key down function in a widget in order to capture the mouse with the return value of the function. ...
Editor Crashes when compiling a 3d widget after adding array variable
UE - Editor - UI Systems - Feb 23, 2015Editor crashes when user adds array variable (any type) to a 3d widget that is used within a blueprint actor and then compiles the widget. Frequency: 4/4 Crash Reporter: [Link Removed] ...
Turning off Apply Wind after switching tabs crashes editor
OLD - Anim - May 27, 2015In the Skeletal Mesh editor, turning Show>Clothing>Apply Wind while switching tabs causes a crash. For example, turn it on while in the Mesh tab. Switch to Animation Tab and then back to Mesh. Turn ...
D3D Crash when searching "Color" in Engine Content folder
UE - Graphics Features - Apr 14, 2017Assertion failed: Buffer [\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Commands.cpp][Line: 1487] Note I have narrowed it down to a material with "color" in its name that is causing this cra ...
Sequence with null skeletal track sections crashes on load
UE - Anim - Sequencer - Jan 21, 2021Add contents of the zip file to your 4.26 project. Open the level sequence. EXPECTED: It shoudln't crash. Log will print saying that it removed some animation sections. ...