worried

First time snake owners. Thought we were doing really well, now not eating and has patch of broken scales near neck. Here's her history... dob 19/12/21. Shed 5/1/22. Pinkie fed by breeder Jan 6, 9, 16, 18, 19. We picked her up 21 Jan. Breeder gave us the tub she had been using. Took pinkies...