Diagnosis
You want to convert a text field containing an icon to a pushbutton.
Not all icons can be use anywhere on the screen. The icon currentlyassigned to the field text is not allowed as a pushbutton icon.

System Response
The system will not convert the field text to a pusbutton as long asthe icon is assigned to the field text.

Procedure
If you want to convert the field text to a pushbutton, you must firstdelete the assignment of the icon. You can do this on the "Attributes'screen, or in the field list by overwriting the icon name with blanksor cancelling it with '!'.