Symptoms
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The following error is shown in the Plesk panel:
Could not issue an SSL/TLS certificate for example.example.com Details Object not found: 0
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Plesk SSL It! extension version from 1.14.0 to 1.14.2-889 is installed on the server, which can be confirmed by going to Plesk > Extensions > My Extensions > SSL It!
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While issuing a Let's Encrypt SSL certificate for a subdomain produces logs as the following in
/var/log/plesk/panel.log:ERR [extension/sslit] Error happened while certificate processing : Object not found: 0
ERR [extension/sslit] Failed to fetch domain example.example.com certificate status data. Object not found: 0.
ERR [extension/sslit] Failed to fetch domain example.example.com certificate status data. Object not found: 0.
ERR [extension/sslit] Error happened while certificate processing : Object not found: 0
ERR [extension/sslit] Failed to fetch domain example.example.com certificate status data. Object not found: 0.
ERR [extension/sslit] Failed to fetch domain example.example.com certificate status data. Object not found: 0. -
The SSL certificate is provisioned and secures the subdomain correctly, regardless of the error message.
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The DNS Server (BIND) component is not installed on the server.
Cause
This issue is caused by an SSL It! extension bug #EXTSSLIT-2064, which was fixed permanently in version 1.14.2-902 of the SSL It! extension
Resolution
Update the SSL It! extension to version 1.14.2-902 or higher by following the steps in this article:
How to manage Plesk extensions (install, disable, remove, update) - section Updating a Plesk extension
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