Some Materials showing up as Black on Cinema 4D s22/LatestCorona Mac

[fhyio123]

Hey,

For some reason some of my Materials from a file that was made in the previous Corona Render is showing up as Black and I do not know why. Its making it difficult to use, the render shows up as fine

[Beanzvision]

HI, are you able to share the scene with us? If so, our private uploader link is in my signature below. Can you also tell us what version of Corona you are using?