Technical Note: CSTN00018 - Default system PlayBook shows in the playbook execution history
Description :
This is a System PlayBook which gets triggered by default. This playbook is a part of system playbooks which is shipped by default and it carries out refresh settings in the backend whenever there are updates in settings.

List of default system playbooks:

Solution
Fix:
Fresh install of CyOPsâ„¢ 4.11.1 and higher are not shipped with this playbook.
Note : This playbook is shipped with fresh install of CyOPsâ„¢ 4.10.2 onwards to 4.11.0. Any upgrades or migration from 4.10.2 onwards to 4.11.0 will automatically install this system playbook in the higher version of CyOPsâ„¢. Fresh install of CyOPsâ„¢ version 4.11.1 and later does not have this playbook.
Applicable versions :
CyOPsâ„¢ 4.10.2 to 4.11.0
