Data structure array must be specified in the form DS_ARRAY(*).KEY_SUBF.
30
Cause . . . . . : In this context, an array of data structures cannot be specified directly. It must be specified as a keyed data structure array. The statement is ignored.
Recovery . . . : To specify a keyed data structure array, specify (*) as the index for the data structure array, followed by the qualified subfield that is used as the key. Compile again.