Plesk shows license error whilst trying to login or right after new domain has been created:
Error: The license key is invalid. In order to use Plesk, please obtain and install a new valid license key. The amount of currently used resources overrides the limits defined by your license. The number of websites hosted on the server exceeds the limits defined by your license. You have 11 sites hosted; your license allows hosting only 10 sites.
Software issue "PPPM-2595"
This issue will be fixed in one of the next Plesk updates.
To workaround the issue delete redundant domain by the command below:
/usr/local/psa/bin/domain --remove <domain_name>