Sending field must have valid data type; found %1. Statement ignored.
30
Cause . . . . . : The sending field in a STRING statement must be a nonnumeric literal, a figurative constant, or an identifier with USAGE IS DISPLAY. If this field is an identifier and it is a numeric item, then it must be an integer without a P in its PICTURE.
Recovery . . . : Specify a valid data type for the sending field.