Unsupported bump type (5) in "Metal.negro@mtl_brdf_2437_bump", bump type (0) will be used instead

V-Ray V-Ray GPU Issues
1

hi,
Could someone explain me what this error means?
Unsupported bump type (5) in “Metal.negro@mtl_brdf_2437_bump”, bump type (0) will be used instead

and this one
warning: EdgesTex/RoundedCorners is not supported through procedural texture