Incorrect Material Element Indexes When Importing Multiple Meshes In The Same FBX

Tools - Aug 28, 2018

Incorrect material element indexes when importing multiple meshes in the same FBX. If you re-import the mesh that has the incorrect material element index it will correct itself. Seems similar to [ ...

Support for import/reimport of mesh LODs is unavailable in Blueprint and python

UE - Editor - Content Pipeline - Import and Export - Mar 31, 2020

The missing API prevent clients to do good scripted import pipeline tools. there is two UDN thread that can be solve by this JIRA https://udn.unrealengine.com/questions/566538/how-to-add-a-custom- ...

Reimporting skeletal mesh clears material references from material slots

Tools - Jan 30, 2017

This occurs in //UE4/Release-4.15, //UE4/Dev-Editor, and //UE4/Main Does not occur in 4.14.3 ...

Error when exporting large model to FBX binary

RC - Editor - Sep 16, 2024

It's happening when exported models have over 150 million triangles. Project: [Link Removed]  Note: Reported in the Elite Slack channel. ...

[Alias] Reimport of a StaticMesh failed

UE - Editor - Content Pipeline - CAD - Oct 25, 2022

The user suggest to add the option "Only New Meshes" ...

Legacy Fbx: Importing multiple skeletalmesh put all of them in the same package.

UE - Editor - Content Pipeline - Import and Export - Oct 26, 2023

Sequencer Export to FBX file framerate is always 30fps, regardless of playback rate in Sequencer

UE - Anim - Sequencer - Apr 24, 2020

This issue can cause problems for developers who are operating at framerates that aren't 30fps (eg 24).  In Sequencer: [Link Removed] In Maya: [Link Removed] ...

Message Log not updating Categories in Real-Time

Tools - Dec 9, 2015

When importing an FBX with a known FBX import issue and the Message Log already open, the FBX Import error will appear but the FBX Import Category which is not present upon opening the Message Log w ...

Key input by Sequencer is missing in FBX output of parent-child actors

UE - Anim - Sequencer - Nov 15, 2021

This problem did not occur in 4.27.0. Animation is not output when outputting a hierarchical structure. Actor(A)   ┗Actor(B)     ┗Actor(C) This is how the attachments are registered, and the ke ...

Tangent is divided twice by Decimal Rate when importing animation from FBX in Sequencer

UE - Anim - Sequencer - Aug 20, 2021

The cause is that the ImportFBXProperty in MovieSceneToolHelpers.cpp is divided by DecimalRate. ArriveTangent = ArriveTangent / ((Key.Time - PrevKey.Time) * DecimalRate); LeaveTangent = LeaveTange ...