That's strange. If you haven't already, try uninstalling the app updates, restarting the device and reinstalling the app updates. Also, try switching accounts to see if it helps. Keep us posted.
Appreciate your efforts. For the right team to investigate, please file a feedback report from a different device with as detailed information as possible: https://yt.be/help/feedback . You may not receive a response, but we do review everything to identify issues and fix them.