Reply To: Website disappeared completely after update

Hello,

Please restore the site from the backup.

If you customized the parent theme, install and activate the child theme and move all the custom code to the child theme.

Move all CSS to the Theme Settings > Custom CSS, all the custom JS to the Theme Settings > Custom JS.

Deactivate the plugins not related to the theme.

Then update the theme, and activate the plugins one by one.

If you still have the problem, restore the site from a backup and provide all the site admin access as well as FTP.

Best Regards