When the logged in user adds a new field to an existing search, he cannot save his changes. The "Save" button is grayed out and disabled.
IT Asset Portfolio Management v17.3 and up
The user was not granted permission to save searches. When logging in as an "administrator" user, the "Save" button is enabled.
Recommend reviewing the following articles and links for information on how to grant or deny user/role permissions for saving searches:
Configuration Permission Definitions in ITAM