I have ascene with nparticles. I have attached lattice deformer to it and it nparticle lost it shader. I applied Lambert to it and got the look I wanted. but now my problem is when i render it with "FULL" motion blur maya crahes. and it works fine if I turn "OFF" motion blur or the motion blur is set "NO DEFORMATION".
I also tried on a new scene. But no luck. I tried at my work place but same result. I tried on 2012 and 2013.