Unreal Engine Issues
Unreal Engine Issues
Asset values change when the Editor is out of focus when using Maya or Web Browser
Tools - Jul 18, 2018When switching between any open software (Maya, web browser) and UE4 while Simulation is running, sometimes the values change on the asset and it starts to oscilate between <-0.6,0.6> or any other s ...
[ CATIA ] Datasmith Error importing part from CATIA v5
UE - Editor - Content Pipeline - Datasmith - Importer - Jul 27, 2018When importing the attached CATIAv5-file Screw.CATpart via Datasmith, The following error is recieved: LogDatasmithImport: Warning: Failed to import '../../../../../../Screw.CATPart'. Failed to cre ...
Steam Controller and Xbox Gamepad both map to the first player
UE - Online - Aug 23, 2018If multiple Xbox gamepads are connected (even if mixing Xbox 360 and Xbox One), all is fine. Each gamepad maps to its own player controller. However, if a Steam controller and an Xbox gamepad are co ...
[CrashReport] UE4Editor_SlateCore!IsResourceObjectValid() [drawelements.cpp:23]
Tools - Aug 2, 2018No user comments in crash group 18 FSlateShaderResourceManager* FSlateDataPayload::ResourceManager; 19 20 static bool IsResourceObjectValid(UObject*& InObject) 21 ...
Sequencer XML generates wrong File Path for Image Sequence
UE - Anim - Sequencer - Sep 6, 2018Outputing Image Sequences like {shot}/{shot} _ {frame} .png for example, the xml file doesn't reflect the right path because it's referring to .avi files. We can't find and replace avi files in ...
Blueprint Static Meshes lose Vertex color information in Standalone/Release
UE - LD & Modeling - Modeling Tools - Mesh Editing - Sep 21, 2018In the editor, vertex information can be painted on static meshes that are part of a blueprint. When testing by playing in “Selected Viewport” the painted vertex information is correctly saved and d ...
[AI] Navmesh tiles on different layers get removed while streaming out in WP Dynamic Modifiers Only navmesh
UE - AI - Navigation - Feb 6, 2025Streaming out the navmesh and streaming the area back into the world before the GC runs causes the navmesh streamed back into the world to only have navmesh tiles on a layer with tiles that would b ...
Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled
UE - Texture - Apr 2, 2025When running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black texture fallback, which affects correctness of rect lighting ...
[MAC][OPENGL][METAL]: Investigate why planar reflections on translucent surfaces may not be working
Tools - Jun 29, 2015See Comments. User reported planar reflections aren't being applied to translucent materials on Mac OpenGL, which may also affect Linux OpenGL and Mac Metal. Need to investigate what this feature r ...
[Mac][Metal] Black/NaN spots Visible in Templates With r.BasePassOutputsVelocity
UE - Platform - Apple - Apr 15, 2016Base-pass rendering on Mac Metal now generates transient black/Nan spots across the scene - this appears to be related to r.BasePassOutputsVelocity and is presumably the connected to the incorrect s ...