Symptoms
When trying to add or remove DNS record for the domain the following error is thrown:
Internal error: APSC: Resource for domain XXXXX is not found.
or:
Could not persist APS entity "http://parallels.com/aps/types/pa/dns/zone/1.0"
Cause
APS representation of DNS zone is absent. It's either was not properly created or removed manually.
Resolution
Use attached script to find and fix all affected domains:
1. Download it to Management Node
2. Run with --dry-run flag to find if there are any affected items
3. Run without any flags to fix all affected items or with flag --domain-to-fix $domain_name to fix items of particular domain