Warranty affected because of Panelbeater approved by 1st for women and car came back with dents.

Good afternoon

I hv been wth 1dt for women with my 1st car. Now with my 2021 car, it suffered hailStorm damage and it was taken to a Panelbeater that has brought back my car with so many scratches, with some hail dents, chipped paint on the side that was supposedly painted. When I took the car for service they tell me, that Panelbeater is not credited by Audi so they should cancel my warranty. I need urgent assistance or I am suing 1st for women. My email Adress is ***