Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Fatal error: Couldn't find shader - FMaterial::GetShader()
UE - Graphics Features - Jul 20, 2017This is a common crash affecting users in 4.16. User DescriptionsTried to edit the VivePreController Meshtried to edit SM_Skysphere after shaders had finished compiling. For no other reason than th ...
Zipping up projects with / creates folders to nest the zip in
Tools - Oct 15, 2015Changing your project name from 'MyProject.zip' to 'MyProject 1/1/1/1/1.zip' creates a folder which nests another folder that eventually leads to the zip. ...
Animation to Ragdoll: Character blinks for 1 or more frames
UE - Simulation - Physics - Mar 4, 2016Character is not rendered for frame between Death animation and conversion to ragdoll physics In the linked movie, if you pause at the 34 second mark and play frame by frame, you will see the chara ...
Crash When Typing a Node Comment and Hovering Over the Alignment Option
Tools - Apr 5, 2016Error message: Assertion failed: ParentIndex != INDEX_NONE [Link Removed] [Line: 512] Source Context: 499 } 500 501 return Menu; 502 } 503 504 ...
When move selected foliage to level, Foliage can not move to level.
UE - World Creation - Worldbuilding Tools - Foliage - Jul 18, 2017With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...
Virtual Memory leak when using specific rendering settings in the template project
UE - Rendering Architecture - Dec 20, 2025When a project is run with these settings in a template project, untracked virtual memory increases. Cvars r.GBufferFormat 3 r.Lumen.TraceMeshSDFs 1 r.Lumen.TranslucencyReflections.FrontLayer.Enab ...
No alpha to coverage for ES3.1 and mobile Vulkan
UE - Platform - XR - Jan 29, 2020MSAA is not applied to masked textures/materials. Testing blocked in MAIN 4.25 @ CL 11144351 by [Link Removed] ...
4.22.1 Crash in FVulkanResourceMultiBuffer::Lock
UE - Rendering Architecture - RHI - Jul 31, 2019Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...
Skip Assigning Gamepad to Player 1 does not work
UE - Gameplay - Input - Feb 2, 2024This is a regression from a long while ago that needs to get fixed ...
Expanding and altering a macro affects other macros in use.
UE - Gameplay - Blueprint - Nov 6, 2017Using the Expand node feature on a macro from a macro library alters the current functionality of other instances of the macros that are in use(even though the macros themselves have not changed). ...