I am using the new vray for sketchup 7 pro, on Mac OS, and i have a problem.

When i am editing a model previously created on a Windows operated Sketchup 7 pro, that has several groups and material created with Vray material editor. It is a realtively big model. Vray will only render it after i use the debugging options from the plugin, and regenerating all materials.
Is there any plugin or method to render without regenerating materials? Because if i don't do that, it doesn't render at all.

Thank you

I have the new vray, and i am using sketchup 7 pro, on a Mac OS and i have a problem.

Vray doesn't render big models, with materials created with vray material editor. Small models, example objects taken from Warehouse, it doesn't have any complain. But a previously created big model, with lots of groups and materials, it starts to process, and after a few minutes it stops. It doesn't even open the framebuffer. It just stays still, and then nothing happens.
I've tried debugging methods form vray, and still nothing.

thank you