How do I resolve the issue with steering controller?

Hello,

I've been trying to build a vehicle model to run constant radius turn. When I run the model, the solver throws an error as shown:

"<< ALTAIR DRIVER :: Steering Controller : Computed predicted path error > allowed path error of 1 mm.
Proceeding with the best approximation."

when the results button is clicked and observed in hyperview, the vehicle deviates from the path described, Kindly help me resolve this issue.

Thank you.