Seeing the "Site Currently Unavailable" message can be worrying, but you can...

https://smart-wiki.win/index.php/021_Site_Currently_Unavailable_After_Editing_.htaccess

Seeing the "Site Currently Unavailable" message can be worrying, but you can fix it with a few simple steps. First, check your site's permissions—an incorrect 403 error often causes this issue. If you're unsure, contact your hosting provider for help