Cannot remove modified pages from the diagram.

Pages in the diagram have been modified and the changes have not been saved. You cannot remove pages that have been changed from a site diagram. Modified pages have the modified icon in the site diagram.

• If you want to discard your changes, refresh the site diagram and then remove the pages.
  
  
• If you want to keep your changes, save the site diagram and then remove the pages.

For more information, see Managing a Site Diagram.