Can't delete fragment after exporting it

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.3.18 CE GA18, Master
• Component/s: Fragment Administration
• Labels:
  • Echo_Graduates
  • liferay-update-dxp-18-7413
• Fix Priority: 2
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/7534

An error is shown when deleting a fragment after exporting it.

Steps to reproduce:

1. Go to Product Menu > Design > Fragments
2. Click on three dots next to Collections and import the fragment given
3. Click on three dots next to Collections and export the fragment
4. Click on three dots next to Collections and delete the fragment, an error shows and an input is shown.

Note: you can delete the fragment if you click try to delete another time.

Reproduced on: 

Tomcat 9.0.56 + MySQL 5.7. Portal master GIT ID: 4facda6b6680bcb5d8fe0aa8cfd8a16e9e4368d4

Evidence: Screen Recording 2021-12-28 at 16.46.59.mov