Shadows do not show in render, why?

[shubba81]

I am using sketchup and vray, on screen in sketchup the shadows are showing but when I render it with vray it doesn't show the shadows. Can anyone help?

Thanks

[Gaieus]

Double post - go on posting/reading here:
http://www.sketchucation.com/forums/scf/viewtopic.php?f=80&t=16337&p=128178#p128178