Unreal Engine Issues
Unreal Engine Issues
FBX exported from editor imports to Blender at 25fps
Tools - Jan 6, 2017FBX exported from editor imports to Blender at 25fps. Maya and Max do not appear to take their frame rate from the fbx itself, but set by the scene itself. ...
Crash Occurs When Mesh is Reimported Multiple Times in the Mesh Editor
UE - World Creation - Worldbuilding Tools - Foliage - Jan 24, 2018Engine crashes when asset has been reimported multiple times through the mesh editor -Editor crashes in Main when reimporting -Editor crashes in 4.17 when changing the Import Transforms ...
FBX Camera Import into Sequencer - Scale Does Not Apply to Scene-Dependent Attributes (e.g., Focus Distance)
UE - Anim - Sequencer - May 1, 2025When importing an FBX camera into a Level Sequence via the FBX Import dialog, we rely heavily on the Import Uniform Scale and Convert Scene Unit options for DCC interoperability. These settings ...
"Reimport with New Source" fails on Mac
UE - Anim - Runtime - Jan 22, 2019'Reimport with new source' command does not work on Mac. Confirmed in 4.22 @ CL 4771381 ...
Importing fbx onto an empty camera animation sequence can crash the editor
UE - Anim - Sequencer - Jan 27, 2022Importing an FBX into an empty camera animation sequence crashes the editor. The import seems to fail when trying to add a camera cut track. Exporting an fbx from a camera animation sequence, deleti ...
Imported FBX or USD tree - visually missing geometry when converted to Nanite
UE - Graphics Features - Nanite - May 3, 2022When the static mesh tree (brought in thru USD/FBX) is converted to Nanite - the tree thins, or rather visually thins - the thinner branches and/or leaves do not render in the viewport and go missin ...
Importing FBX creates new materials when using the search materials import setting
UE - Editor - Content Pipeline - Import and Export - Nov 1, 2017There is an issue when importing FBX that creates new materials when using the search materials import setting. Instead of being able to use the material that is in the Base Material name, the textu ...
Clicking reimport on a skeletal mesh crashes the editor - UE4Editor_Engine!USkeleton::GetSmartNameContainer() [skeleton.cpp:1410]
Information about this goes here....Reimported Skeletal Mesh FBX 2016/2017 in preview window. Didn't crash outside of preview in the standard content browser context menu. ...
Reimporting sprite sheets does not work correctly if the editor has ever been closed and reopened since initial import
UE - Gameplay - Paper2D - Aug 1, 2020UPaperSprite::PostLoad() now sets BakedSourceTexture, BakedSourceUV, and BakedSourceDimension (if AtlasGroup is nullptr). There's nothing in reimport that sets them, so they are stale/latch to the ...
Can't import FBX animations
Tools - Jul 23, 2018When importing Animation FBX files into 4.20 the following error is received: "Failure to Import - Mesh contains root bone as root but animation doesn't contain the root track." The importing proce ...