Moving a VRay light seems to mess things up

I have a scene where I use a VRay spotlight. It seems to mess things up ,when I move or just the spotlight.

Does anyone know a solution ?

Thanks
Jorgensen

!(http://www.rattenborg.com/Temp/02 Mess.jpg)
!(http://www.rattenborg.com/Temp/01 Mess.jpg)

Re: Moving a VRay light seems to mess things up

Seems that copying everything to a new model was the solution.