Auctionner problem

Good morning, I have a problem with the auctionner addon. I have no idea how this happened, but when I enter the AH I can't buy or sell anything, the window looks like two functions are superimposed on each other at the same time, I can see the basic AH appearance in the background and the item sale window superimposed on it, it's totally impossible. I couldn't do anything, I tried deleting and adding the addon again and it didn't help, can anyone help?