Occultism, trying to make a soul gem so i copid the book like it told me to make a Strigeor's Higher Binding Ritual but it doesnt work says "unkown"

https://preview.redd.it/v3gya23ok2he1.png?width=675&format=png&auto=webp&s=d52347d4c92fac9d1e154b43034c9f1a41fdf8cb