Unreal Engine Issues
Unreal Engine Issues
Importing FBX file with same material slots and texture names has bugs
UE - Editor - Content Pipeline - Import and Export - Jul 31, 2020When importing a file from Blender, UE creates the correct number of materials, but the number of textures is incorrect and is being overwritten, and not importing the correct amount. Tested and re ...
Crash when exporting static mesh actor to FBX (Array index out of bounds)
UE - Editor - Content Pipeline - FBX - Apr 25, 2025I set the Forced LOD Model on the mesh component > 1, then tried to export, this is what causes the crash. Here is my suggested fix, we just don't use Git or I'd do a PR: In the else() branch of FF ...
Compilation error when using Particle SubUV in Niagara Mesh Particles with Raytracing enabled.
UE - Niagara - Oct 12, 2021The licensee has shared the following workaround for modifying NiagaraMeshVertexFactory.ush. struct FVertexFactoryInterpolantsVSToPS { TANGENTTOWORLD_INTERPOLATOR_BLOCK #if USE_PARTICLE_SUBU ...
Controller input changes for network players based on which window has focus
UE - Gameplay - Input - May 23, 2016When testing networked multiplayer with two controllers, if the server window (editor) has focus, controller 1 controls the server character and controller 2 controls the client character. If the c ...
GetOverlappingComponents does not work on Mobile
UE - Simulation - Physics - Jun 13, 2016The GetOverlappingComponents node isn't working correctly on mobile devices. It seems like it may only not be registering components that are spawned at runtime, as it does change the number of over ...
Regression for changes in code character movement not affecting multiplayers
UE - Foundation - Core - Jun 26, 2015If MoveForward() function is changed to affect the speed of the player, when playing in a multiplayer game player 1 will be affected by the change but player 2 will not be. This is a regression - i ...
CRASH: 4.6.1 When running a dedicated server
UE - Gameplay - Blueprint - Dec 24, 2014Crash Report: [Link Removed] <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FOutputDeviceWindowsError::Serialize() <unknown module>! UE4Editor_Core!FMsg::Logf__VA( ...
Sequence node numbering error when adding execution pin.
UE - Gameplay - Blueprint - Dec 26, 2018When using the "Insert execution pin after" option with a sequence node "Then 0" gets removed. ...
Depth buffer collision kills all particles after 1 second
UE - Niagara - May 12, 2020Somehow the namespace broke between the collision and the trace modules. [Image Removed] [Image Removed] ...
RayTracing Final Gather is not working in UE 5.1
UE - Graphics Features - Ray Tracing - Apr 12, 2023Further Comments: Customer is using the deprecated ray traced mode. ...