Materials are not exported on this model

See, I have nice model in blender.
But when I export with default settings to USD, I do not get any materials:

Also, check this out it kinda empty:

How to start finding where the problem is?

I would need to see the material graph to answer - but if for example the material is layered then it would not be able to handle the conversion.

There are UMM material templates that would make it work a lot better: Blender — Omniverse Connect documentation

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