need help with radiance

My name is Michael snyder from the University of Kansas and I am currently
teaching myself radiance in order to use it with my senior design lighting
class. I have an error come up when running rview that reads

cannot find function file ""

If anyone can help me with this problem I would be extremely grateful. Thank

Michael Snyder

cannot find function file ""

Hi Michael!

Did you check if the is in your RAYPATH?

CU, Lars.