Page remains in product menu after deleting

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.0.0 DXP FP44, 7.0.X
• Fix Version/s: 7.0.X
• Component/s: Pages > Page Administration, ~[Archived] UI Taglibs
• Labels:
  • QA-FP
  • ee-7.0.x-only
• Story Points: 0.25
• Fix Priority: 2

Steps to reproduce:

1. Create some pages.
2. Delete the new created pages via Navigation Menu portlet.

Expected Result:
Pages delete completely.

Actual Result:
You still see some deleted pages in product menu. If you delete it again, it will redirect to a blank page and the server throws a NPE error.
Error log, please see: https://gist.github.com/felix3508/80137720c206e6388a78ee1c97121bf5