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
Same problem
Did you ever get any help with this? I have exactly the same problem. Error 'Domain already exists' but the Customer and subscription are created correctly. I need to retrieve the ID and GUID after creation but it returns just the error string if you check the page source code...