Adding a page comments widget to a display page will throw an error

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.10.1 DXP SP1, Master
• Fix Version/s: 7.2.10 DXP FP4, 7.2.X, 7.2.1 CE GA2, 7.3.10 DXP GA1, Master
• Component/s: Page Templates > Display Page Templates
• Labels:
  • ee-ts
  • liferay-fixpack-dxp-4-7210
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/79611

Steps to reproduce:

1. Go to Site Builder Pages > Display Page Templates
2. Create a new display page for basic web content
3. Add a page comments widget to the page and publish the display page template
4. Mark the display page template as default
5. Create a new web content and publish it
6. In the kebap for the web content, select: View Content

Expected result: The page comments widget will show correctly

Actual result: An exception is thown