We have also added a new page to the documentation that lists the most common error messages returned by youtube, and some guidelines to help you out

Invidious

We have also added a new page to the documentation that lists the most common error messages returned by youtube, and some guidelines to help you out:

All the YouTube error messages explained with solutions - Invidious Documentation

The official Invidious documentation

(docs.invidious.io)

-SamantazFox