Listing product problem

Im new to selling on Amazon and I am trying to get my products approved on amazon to sell. I am struggling to find the codes on my packaging. It says that there should be a code on the products? Sorry if my English is bad.

https://preview.redd.it/d1l03njsqk791.png?width=2134&format=png&auto=webp&s=06b34f8a8c508f64e2bd4422f8b8c0a6465f9668