Unreal Engine Issues
Unreal Engine Issues
FBX material IDs from 3DS Max are reordered in automatic LOD generation
Tools - Sep 12, 2018This appears to be a UE4 bug in the way it handles the importing of FBX Material IDs from 3DS Max exports.Max uses set Mat IDs to organize multiple materials on a single object.UE4 correctly handles t ...
Indirect Lighting Cache causes Flickering on Skeletal Meshes
UE - Graphics Features - Apr 30, 2017Indirect Lighting Cache is causing the Indirect Lighting for Skeletal Meshes to flicker. I have attempted both ILCQ Volume and Point cache qualities, and it seems Point produces the most exaggerate ...
Deleting a Struct Attached to a Variable in a Blueprint Prevents it from Compiling
UE - Gameplay - Blueprint - Oct 20, 2015Adding a variable of the type of a struct to a blueprint, deleting that struct, and then recompiling the blueprint fails. The variable is deleted, but the blueprint will continue to be unable to com ...
UMG Images Not Inheriting Texture's Filter Setting
UE - Editor - UI Systems - Dec 24, 2015When you import a texture that is low resolution (such as pixel art) if you attempt to use it in a UMG image, the filter that you have applied to that texture is not inherited. This causes the image ...
Get Ping in ms returns 9999 in a packaged game when tested on systems not on the same network
UE - Networking - Feb 25, 2016Get Ping in ms returns 9999 in a packaged game when tested on systems not on the same network. This does not prevent Client connection to the Server. Note: my understanding is this would be caused ...
A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project
UE - Gameplay - Blueprint - Jul 16, 2015A Child PlayerCharacter BP in this project resets its assigned Anim BP to 'None' on restarting the project. The user reports that the Skeletal Mesh will also occasionally reset to None. I have not b ...
This user's Function Library will not save
UE - Gameplay - Blueprint - Mar 6, 2015This user's Function Library will not save. Hitting save returns the following error: Can't save D:/4.7_Projects/EngineTransientBug 4.7/Content/Math.uasset: Graph is linked to private object(s) in ...
Setting Pressed Sound for Widget Style Doesn't Set the Value
UE - Editor - UI Systems - Nov 6, 2015Attempting to set the Pressed Sound for Widget Style dynamically never actually sets the sound. When you click the button, you get no pressed sound. However, when setting the Pressed Sound through t ...
ChaosCacheManager is not reproducing Trailing Events
UE - Simulation - Physics - Mar 28, 2025ChaosCacheManager (CCM) is not reproducing Trailing Events. Particles set to track Trailing Events correctly follow the position of the trailing event when the Geometry Collection (GC) is physically ...
Syncing to an asset through in-editor interface will not update existing assets while in the editor
Tools - Sep 4, 2015If a user syncs to an asset through the editor (right-clicking it in the Content Browser and selecting Sync), the asset will not update until the editor is closed and reopened. Note: This issue is ...