For me (on Monterey), the problem was solved by going to Preferences in the Notes app and unchecking "Resume last Quick Note." Then I could create a new Quick Note, and the New Note button and command worked.
the_krkn
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution