That's odd, were you trying to access YouTube Music or the main YouTube platform? If you haven't completed any troubleshooting steps yet, these steps can help fix the issue: https://yt.be/help/sWdH Hope this helps and let us know how it goes!
Hmm, have you tried closing & reopening or updating your browser? You can also try clearing your cache & cookies: https://yt.be/help/Cko1 . If the issue persists, we'd recommend sending a feedback report directly from YouTube: https://yt.be/help/feedback . Hope this gets resolved!