I've found a workraround: the proposed server path is https://one.ubuntu.com/notes/ , changing in https://one.ubuntu.com/notes (without the last slash) the save button turns on (oneiric 64 beta 2 fully upgraded).
I've found a workraround: /one.ubuntu. com/notes/ , changing in https:/ /one.ubuntu. com/notes (without the last slash) the save button turns on (oneiric 64 beta 2 fully upgraded).
the proposed server path is https:/