About the error
What you should do
To update 1Password, dismiss the message and completely quit the app:
- Click Cancel to dismiss the message.
- Open 1Password and choose 1Password > Quit 1Password Completely from the menu bar.
- Open the App Store and check for updates.
If you want to get future updates directly from 1Password instead of the App Store, switch to the version of 1Password from the 1Password website.