Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread: CentOS2Alma discussion
Now I get you.
Now this way is now working because it's Plesk feature. One backup made directly through Plesk CP can be restored only on the same CP but not another.
If you want to restore such backup on another CP you should use GUI Plesk Restore Tool. This task can be performed only by server administrator.