The material is not supported

[rdignos]

I am IT technician kindly explain this message when rendering 3Ds Max

System: Production render is changed to Arnold. Previous messages are cleared.

This material is not supported: Trunk (Standard (Legacy)). An approximation will be used.

Thanks

[CiroCardoso3v]

It means that the material in the scene isn't supported by Arnold. The solve that you need to open the Scene Converter

Make sure you have the latest Arnold version to have access to the latest Scene Converter rules

Problem solved.