3DS mas + Substance, materials render gray when archived and relocated to another pc

Hey

I am using 3dsmax 2021 and Corona Render.

I use substance materials, and they work just fine, but when I archive my 3d max file and put it in another pc for the final render, the substance materials preview fine in the viewport but render as gray materials.

I have to setup the material from scratch or load a preset for it to work.

This workflow has been hectic for me and my team, I need your help, is this happening to anyone with the same case? are we doing anything wrong here? kindly advice.