Hello, Mina Adel,
Thanks for using our theme.
Please do not mix 2 different questions in 1 topic to prevent misunderstanding.
1/ Check the Shop and single product pages now.
The problem was – https://prnt.sc/HUDP0W3bmoHz We’ve disabled Hyyan WooCommerce Polylang Integration plugin and the fatal error disappeared. You can contact support for this plugin to get assistance from their side.
2/ We need FTP access, not the panel. Please contact your hosting provider, and they will help you create FTP access.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.