CAD Import solver problem

Good afternoon,

I wanted to use the magnetic brake model on a different shape than a disc.
I imported an object from CATIA.
Unfortunately, we I run the model, it says:
“Feature: Stationary Solver 1 (solt1/t1)
Error: Nonlinear solver did not converge”

When I import a File from CATIA or another software, do I have to change the solver settings?

Thank you for your help.

Andrea