Website Import subdomains

I am trying to import a subdomain from our cPanel to Plesk but it's not working as expected.

main domain source document root: /public_html
main URL: Example Domain

subdomain source document root: /public_html/star
subdomain URL: https://star.example.com

I've created the subdomain manually in Plesk. I confirmed that the FTP username and password works, I can connect via cli and navigate to public_html/star without errors.
But when I run the...

Website Import subdomains