@mjwise you are supposed to use a pot that will fit totally inside of the instant pot insert. It helps to cook things that may give a burn notice easily, things that you want in a liquid other than water or broth, or cooking more than 1 food item at a time.
I saw that WD-40 is the cure all for a lot of stuff. I’m not joking. Worth a try? I’m pretty sure it showed two things stuck together and it supposedly worked. Let me know how it works if you try it