@Michael_Meyer Interestingly enough, I’m not experiencing the above bug in the latest Release Candidate for SR 20. Can you please test there and verify whether it is broken or not? Oddly enough, some of the materials work in 6.20, but not others. I am still experiencing this bug with:
Grund: File Not Found
The file was not found /Users/dan/Library/Application Support/McNeel/Rhinoceros/6.0/Render Content/Metall/Seidenglänzend/Seidenglänzender Stahl.rmtl