Steps to reproduce:

1. Create a new Unity project
2. Open Package Manager window
3. Press “+” at the top left corner
4. Select “Create package”
5. Add a new package name and press “Create”
6. Verify that the "Inspector" window displays the package manifest
7. Click the "Edit" button in it
8. From the "Name" field, delete the entered package title
9. Observe the result

Actual results: Error message is displayed below the "Asset PostProcessors" section. It is hard to notice it because its location is almost at the bottom of the Inspector window.

Expected results: An error message should be displayed below the field or below the section title in which the field is located.

Reproducible with versions: 6000.3.0a3

Not reproducible with versions: -

Can’t test with versions: 6000.3.0a2 as "Create package" functionality landed only in 6000.3.0a3

Tested on (OS): M1 Max - Sequoia 15.5