Notes: New Note disabled

I am having the same issue although I am not a developer I am using version 10.11 Beta (15A225f) Notes Version 4.0 (512). I can confirm that I was definitely able to create notes on my macbook before the beta installation. Another strange occurence happened with Notes when I first installed the beta OS, some of my notes duplicated and triplicated. I have already deleted 28 "copies" but have more to delete when I am done comparing to make sure I don't lose any data. I purchased storage and I currently have 142 GB available so I doubt that is an issue. Another thing to point out, I am unable to create a new note using iCloud and On My Mac acccounts.

While I was typing this, I experimented with something and was able to create a new note. Try this: in the Notes app, go to View then choose Show Toolbar. You will then see the Create a Note icon and you should be able to create a new note. Still not sure why the menu or keyboard shortcut doesn't work.

I solved it by going to icloud settings inside Apple ID and deactivating and re-activating notes.

You need to have your iPhone unlocked and nearby to create a new note.

If you go inside of System Preferences>AppleID, then click on Notes (in iCloud) to disable it and then click on Notes (in iCloud) to re-enable it, it will restore this functionality.

Er_Murena had right answer for me. Settings -> Internet Accounts -> iCloud -> Uncheck and then Check Notes app

Thanks, Er_Murena!

I lost all my notes following the "go to icloud settings inside Apple ID and deactivating and re-activating notes" advice and still cannot create new notes :/

I lost all my notes following the "go to icloud settings inside Apple ID and deactivating and re-activating notes" advice and still cannot create new notes :/<<

Exactly the same thing just happened to me.

It is absolutely irresponsible to post support advice that deletes all existing Notes data. Is this the new and improved Apple support?

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.

Frightening but it works! All my Notes disappeared... and then re-appeared. Thanks to Er_Murena and jonkibwe.

First new note button greyed out > then I went to System preferences > iCloud > deselected and reselected note > coming back to notes, all notes disappeared ( stress levels high ! ) > all buttons are greyed out, tagging is not working, hashtag is not working. So basically if someone is storing important information in notes, you may loose it all ? I do see it on iCloud, though I am worried that somehow while syncing this may also get wiped out There is no option to back up notes and restore them Apple Engineers - please continue to work diligently to look at these forums and solve our issues.

It is so annoying that the Apple team hasn't fixed it yet.

Thanks to Er_Murena and jonkibwe 😊, their solution works...

The problem is in Quick notes. As you can try, if your last note is empty, the New note button is greyed and you cannot press it (even by cmd+N or menu).
Fill the new note and you can create another one. Monterey introduced Quick notes. When the Quick note is empty, it behaves same and you cannot create New note.

Solution one: Fill your Quick note with some text

Solution two: Disable in Setting field Open last Quick note.

Always check if your last note contains something and is not blank.
(Apologies, my MacOS not in English language so the names of fields could slightly differ)

You need to disable and re-enable notes on iCloud in System Preferences -> Apple Id. It worked for me on Monterey 12.3.1