Hello ext-rafael.barbosa@chassisbrakes.com,
When I opened your model, everything seems to be fine.

I was able to open every block (ADC config, start, main config, freemaster) without any issues - so it must be a problem with some paths. A simple way to check if this is indeed what is causing those errors, you could go to Set Path -> Default -> Save

and then run the mbd_mpc_path script (from the toolbox installation root).
Note that after resetting the MATLAB path to default, you'll lose paths to other toolboxes you might have had, so you'll have to add them later.
Let us know if you're still having problems.
Kind regards,
Razvan.