Sort or merge file (SD) not present in SAME SORT/SORT-MERGE AREA clause. Clause ignored.
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Cause . . . . . : If the SAME SORT/SORT-MERGE AREA clause is used, at least one of the file-names must represent a sort or merge file.
Recovery . . . : Add a sort or merge file to the SAME SORT/SORT-MERGE AREA clause.