Crash when importing material assigned to FBX with illegal characters through the Full Scene Importer

UE - Editor - Content Pipeline - Import and Export - Jun 21, 2016

If you have an illegal character (/ or ?) in your material name embedded with your FBX the editor will crash when using the new Full scene importer and selecting the Materials Tab. Tested in and ...

Crash on Importing a specific Large Static Mesh FBX

Tools - Dec 22, 2015

A User's specific Static Mesh FBX made from OSM2World and converted from OBJ to FBX via Blender is causing a crash when imported with the following settings: [Image Removed] When imported with the ...

FBX Transform does not scale skeletal mesh with multiple pieces properly using the Import Uniform Scale option

UE - Editor - Content Pipeline - Import and Export - Aug 15, 2016

Importing a skeletal mesh fbx from blender and setting the Import Uniform Scale option for the mesh to a higher value, like 100, results in only one of the meshes being scaled while the other is lef ...

Reimporting a static mesh causes a significant change of view in the Static Mesh Editor Viewport from the original view.

UE - Editor - Content Pipeline - Import and Export - Jan 13, 2017

Reimporting a static mesh causes a significant change of view in the Static Mesh Editor Viewport from the original view. (See attached images) Regression: No ...

Reimporting a static mesh will reset Static Mesh Collision Presets

UE - Editor - Content Pipeline - Import and Export - Jun 20, 2016

Collision presets are reset when reimported for any static mesh. If importing and overwriting the original mesh I would expect these to be wiped but when reimporting an updated version of the mesh I ...

Reimporting a static mesh will cause some values to be reset back to defaults

Tools - Jul 5, 2017

Reimporting a static mesh will cause some Static Mesh Editor values to be reset back to defaults. This was reported as JIRA UE-22205 back in 4.10 and was marked fix in 4.12. However, I wasn't able ...

[Interchange][FBX] Issue with asset name clashes after auto import

UE - Editor - Content Pipeline - Import and Export - Jan 22, 2025

The mesh changes and the asset name stays the same while the two FBX are completly different: different filename, different mesh names in the FBX CF video for repro steps. https://forums.unreale ...

FBX import freezes in DataPrep

UE - Editor - Content Pipeline - Visual Dataprep - Mar 3, 2025

FBX file import freezes UE while trying to import into DataPrep by the Interchange importer. The import will start, but then a message will pop up stating "Creating snapshot of world content ... " ...

When importing an FBX with Combine Meshes = False, one uasset will be created for the collection of assets.

Tools - Feb 4, 2016

When importing a mesh, there is an option to Combine Meshes, which by default is checked. Unchecking this option will bring in the individually named parts contained in the FBX as unique objects in ...

Full Scene Importer resets overrides when reimporting asset

UE - Editor - Content Pipeline - Import and Export - Jul 5, 2016

When using the Blueprint Hiearchy Type for creation on the Full Scene Importer if you've previously imported and set some of the settings like the Override Lightmap Resolution via the BP and then re ...