On add storage page, if user choose use existing pvc, but leave the pvc name empty, after other fields are filled, click "Save", there is not warning info about the pvc name field. The loading dot icons are shown under "Save" button.

4.14.0-0.nightly-2023-07-12-124310

Always

1.Create a deployment.
2.Click "Add Storage" item in action list of the deployment
3.Choose "Use existing claim", but leave it empty.
4.Set mount dir and click "Save".

4. There is not warning info about the empty pvc name.

4. Should show info for the field:"Please fill out this field"