Failed to start Greenbone Vulnerability M

gvmd.service: Scheduled restart job, rest>
May 07 11:23:13 openvas01 systemd[1]: Stopped Greenbone Vulnerability Manager d>
May 07 11:23:13 openvas01 systemd[1]: gvmd.service: Start request repeated too >
May 07 11:23:13 openvas01 systemd[1]: gvmd.service: Failed with result 'exit-co>
May 07 11:23:13 openvas01 systemd[1]: Failed to start Greenbone Vulnerability M

The unit gvmd.service has entered the ‘failed’ state with result ‘exit-code’.
May 07 11:28:24 openvas01 systemd[1]: Failed to start Greenbone Vulnerability M>
░░ Subject: A start job for unit gvmd.service has failed
░░ Defined-By: systemd
░░ Support: http://www.ubuntu.com/support
░░
░░ A start job for unit gvmd.service has finished with a failure.
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░░ The job identifier is 6080 and the job result is failed.