youtube error 401 2

https://vwkw08cibl.currentvale.com/posts/understanding-the-controls-around-a-restricted-video-on-youtube

You're enjoying a YouTube video when suddenly it stops and shows a 401 error. This usually means something's wrong with your account's authorization. Try signing out and back in, or checking if your YouTube app needs an update. It's YouTube's way of saying it doesn't recognize you right now.