1) Give admin access to the WP Dashboard user that you provided to allow us to check the plugins you use and backend settings.
2) We can’t connect to your server https://prnt.sc/DrxNDYszzbWr
Check if the FTP host is correct.
3) Provide us with link to the page where you have the mentioned notices.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.