Follow these steps if you are having problems getting Noted to work after logging in and are using the Safari browser on a desktop mac or macbook macOS device...
1. Open the Safari settings
From the main menu choose Settings.
2. Turn off cross-site tracking protection
Under the Privacy section uncheck the Prevent cross-site tracking checkbox
You should now be able to use Noted without issues.
IMPORTANT: Unchecking this setting disables cross-site tracking for all websites viewed in the browser.