In order to delete a menu page, you must first delete any redirects associated with it, as well. To see if the page in question has redirects go to onMessage:
  1. From the Settings drop down, select Website Redirects
  2. Remove the redirects associated with the page you would like to delete
  • ​To quickly find the redirects on a pc, press Ctrl + F and search of the page you want to delete, then remove the redirects
  • To quickly find the redirects on a Mac, press Command + F and search of the page you want to delete, then remove the redirects
  1. Proceed to return to the site and select Delete Page