YouTube video Error message is appearing on Edge Canary

knkblr2020 Welcome to the MSFT Edge Insider community! Thanks for letting us know, and we're sorry to hear that you're encountering that error. Here are a few questions for you:

1. Are you seeing that same error message if you try to play the same video on https://www.microsoftedgeinsider.com/en-us/download or non-Chromium-based browsers?
2. If you haven't yet, can you please submit details and diagnostics through the browser? (Shift+Alt+I, or "..." menu > Help and feedback > Send feedback)

Fawkes (they/them)
Program Manager & Community Manager - Microsoft Edge