[jc4d]

I don´t know in Maya but in Cinema4D happen to me when the phong angle is 0.

Cheers
JC

[Sirenesoong]

I have the same problem. You mast use MXMxm material.
bye

[Darius]

I had this problem with Maxwell 1.1.

I reinstalled version 1 and it worked fine.

[SunlightRocker]

I have the same problem. You mast use MXMxm material.
bye

Yes, You must use materials created in the editor. DONT create any of them in Maya. They will render black. The plugin is old and needs to be updated. Its a shame NL has released it this way.