TypeError throws when clicking Install Xuggler

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.X, Master
• Fix Version/s: 7.2.10 DXP FP2, 7.2.10.1 DXP SP1, 7.2.1 CE GA2, 7.2.X, 7.3.10 DXP GA1, Master
• Component/s: Frontend Infrastructure
• Labels:
  • QA-AUTOMATION
  • liferay-dxp-72-sp1
  • liferay-fixpack-dxp-2-7210
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Last Working Version:
  7.2.10 DXP GA1
• Sprint: 032 - Nidoran
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/77429
• QA Test Name:
  • LocalFile.DocumentsadministrationUsecase#ConfigureXugglerVideoPreviewSizePG
• QA Test Score: 3

Steps to reproduce:

1. Go to Server Admin
2. Go to External Services Tab
3. Click Install button under Enabling Xuggler provides video conversion functionality

Expected results: No js error throws from browser console.
Actual results: No response after clicking Install button and js error throws from the browser console:

TypeError: A.IO.stringify is not a function