Seeking help for our IFC importer

Hi
Thx for testing IFC.
We got a problem with materials imprted from IFC, have a look here, I’d a discussion with Antoine…
Could you help us please?
https://forums.unrealengine.com/unreal-engine/unreal-studio/1858627-revit-to-ifc-and-importing-into-unreal-via-datasmith-problem-with-materials