Do you see the hosting account for that domain in your client area? Is the domain present in the “Domains” list?
If the hosting account and folder containing the files of your website is intact, adding it again to the hosting account should be all you need (if this was the domain you had signed up with, you may have to change directories from htdocs to appeal-supportcentre.000.pe/htdocs).
If not, check your “Deleted Accounts” section. If your account is present there, then it was likely deleted for inactivity: