Duplicate entry error when enabling Local Staging on MasterClass and Extranet site

• Type: Bug
• Status: In Review
• Resolution: Unresolved
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: Content Publishing > Staging
• Labels:
  • 7.4-known-issues
  • liferay-ga69-ce-743-known-issues
  • liferay-ga70-ce-743-known-issues
  • liferay-ga71-ce-743-known-issues
  • liferay-ga72-ce-743-known-issues
  • liferay-ga73-ce-743-known-issues
  • liferay-ga74-ce-743-known-issues
  • liferay-ga75-ce-743-known-issues
  • liferay-ga76-ce-743-known-issues
  • liferay-ga77-ce-743-known-issues
  • liferay-ga78-ce-743-known-issues
  • liferay-ga79-ce-743-known-issues
  • staging-qa
• Fix Priority: 4
• Sprint: CP Iter12 - Bugs Bunny, CP Iter13 - Astro Boy, CP Iter14 - Leonardo, CP Iter15 - Raphael, CP Iter16 - Donatello, CP Iter17 - Michelangelo, CP Iter18 - Splinter, CP Iter19 - Pikachu
• Git Pull Request: https://github.com/liferay-staging/liferay-portal/pull/266
• Bug Type: Default

Steps

1. Create a new site based on Masterclass/Extranet site template
2. Enable local staging with default settings.

Expected behavior
It should be able to enable local staging on Masterclass/Extranet site template.

Current behavior
Cannot enable local staging on Masterclass/Extranet site template with errors in the log: LPS-176242.log.