Netherite upgrades don't work anymore

One day when playing my survival world, I was excited to upgrade my diamond tools to netherite using the upgrade template. But it wouldn't work I did research on this for hours but couldn't solve it. I have attached a video as for proof:

https://img.guildedcdn.com/ContentMediaGenericFiles/02bc8a9f9d9a76a78cceee3b3f69b4cb-Full.mp4?w=1280&h=800