Hallo, I posted it already in the discussion but as I get no answer now I report it as an bug.
it looks like the color data channel information get lost using TP4 and Krakatoa.
the attached simple scene works in max9 and TP3.
try to render it using TP4 and you will see the issue.
regards,
Bandu
krakatoa 1.6.0.43612
MAX 9 x64 + TP3
MAX 2011 x64 + TP4
winXP x64
krakatoa_colorTest_RGB_max9_tp3.rar (17.9 KB)