ExpandAny backup of the database (except the 1-click-Upgrade backup).
You can try restoring the database backup if you have one.
Always take a backup of the files and DB separately. Don't rely on the 1-click-Upgrade backup.
Thanks for your blitz respond!
I found one complete copy of the /usr/local/www/shop directory, /usr/local/www/phpMyAdmin directory and /usr/local/www/apache24 directory from the server, which I secured last November 2024. The 1-Click-Upgrade was doing its job well during the years and this time I forgot to secure this time. Is there any way to restore the shop? it is ok if it does require some manuall fixing.