Unable to open DNSSEC settings:
Internal error: DB query failed: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'psa.module_dnssec_dnsZone' doesn't exist, query was: DESCRIBE `module_dnssec_dnsZone`
DNSSEC was not installed correctly.
Remove and install once again DNSSEC extension: Plesk > Extensions.
If the issue still persists after reinstallation then follow this article in order to resolve it.