The Validation Message setting in standard and custom fields is used to specify the pop-up message that is displayed to users if this field contains incorrect or missing data when the record is saved.
The Validation Message is displayed when:
- The field is set as "Mandatory," but has been left blank by the user and the record is saved.
- The field fails the validation condition that has been set on the field settings page.
If the Validation Message is left blank:
- "[Field Caption] can not be empty." will be displayed in a pop-up when mandatory fields are left blank by the user.
- A blank pop-up message will display if a validation condition has been entered.