If you receive the following error while loading your Google Analytics profiles on a URL's settings page:
Reconnect your Google account at https://app.nightwatch.io/settings/integrations
When the Google authentication popup appears, make sure you have selected all the checkboxes in the list. This is necessary for the app to read and display your Google Analytics and Search Console data in the Graphs section.
Once you've reconnected your account, your Google Analytics and Search Console properties should be visible.