Blank page is shown when accessing phpMyAdmin through Plesk hostname or domain name https://domain.tld:8443 .
Domain name resolves to another IP address.
phpMyAdmin is accessible by login to Plesk only. Make sure that Plesk hostname or domain name, that you use for Plesk connection (https://domain.tld:8443), resolves to Plesk server's IP address.
Make sure that your hostname resolves to your server, where Plesk is installed:
# nslookup domain.tld
If it resolves to another IP address, please verify DNS setting with your hosting support.
You can get proper access to the
phpMyAdminpage using Plesk IP address instead of hostname: