I downloaded two stone assets from fab and imported them to Keyshot
Here are the links of the stone assets
https://www.fab.com/listings/e2ed42b0-c7fd-457c-9c96-09f64e87fc97
https://www.fab.com/listings/abe803f0-13f1-4520-bcb9-58cb452ec497
I met the problem like the following image
Anyone knows what happened and how to figure this out, thanks