Referring to Can(RL)'s post

https://forum.reallusion.com/FindPost402799.aspx

Virtual Human Textures appearing in Iray material list with default of MDL "Auto 1.0" may need to be reset to "Auto 1.1" in order for them to be displayed correctly.

Suggestion is that if 1.0 is outdated, fix be implemented in CC3 / iClone to default Iray textures to the updated "Auto 1.1"