A substring field must be defined using a character, hexadecimal, zoned decimal, or DBCS-graphic field.
If the original data type is a valid substring data type, but the field has been redefined in this logical record with a substring data type that is not valid, you cannot define this field as a substring field.
Response: Select a field with a data type of character, hexadecimal, zoned, or DBCS-graphic to define the substring field.
(C) Copyright IBM Corporation 1992, 2005. All Rights Reserved.