How to reproduce:
1. Create a new Unity project
2. In the toolbar select "Help"
3. When the sub-menu opens up select "Unity Manual" or "Scripting Reference"
4. Observe that opened page
Expected results: the user is redirected to the documentation page: https://docs.unity3d.com/2022.2/Documentation/Manual/index.html
Actual results: "Sorry... that page seems to be missing!" is shown on the page
Reproducible with: 2022.3.0f1
Not reproducible with: 2022.2.21f1
Notes: also reproducible when trying to open Profiler documentation