Unable to access SSL/TLS Certificates for a domain: Argument 3 passed to BaseComponentChecker::getCertificateStatus() must be an instance of PleskExtSslItCertificate

Symptoms

Unable to access SSL/TLS Certificates page at Plesk > Domains > example.com. The following error is shown:

PLESK_ERROR: Server Error
500 TypeError
Argument 3 passed to PleskExtSslItEntityDomainComponentCheckerBaseComponentChecker::getCertificateStatus() must be an instance of PleskExtSslItCertificate, null given, called in /usr/local/psa/admin/plib/modules/sslit/library/Entity/Domain/Component/Checker/WwwComponentChecker.php on line 74
File BaseComponentChecker.php
Line 81

Cause

This is the bug with ID  EXTSSLIT-1183. It is going to be fixed in future SSL It! extension releases.

Resolution