Backup/migration of subscription fails with error:
Error: domain "domain.tld"
Unable to dump IP addresses for mail service
Value cannot be null.
Parameter name: value
IpAddress does not set properly in
Change IP address of subscription to another available IP address and back via
Subscriptions > domain.tld > General > Change hosting settings > IP address .
Otherwise you can use
subscription.exe utility if you have only one available IP address:
"%plesk_bin%\\subscription.exe" -u domain.tld -ip 22.214.171.124
SUCCESS: Update of domain 'domain.tld' completed.