If the e-mail address of an author no longer works (if Genealogy Online has been unable to deliver e-mail several times), the e-mail address will be removed from a publication. Such publications are deleted after some time.
Then contact Coret Genealogy via the Contact page. Include the name and URL of your publication and your old e-mail address in your message. Your publication can then be linked to a new, working e-mail address, so that you can get feedback from visitors and you can update or delete your publication again.