DFS3584A FIND ERROR. MEMBER NAME = `member name` RETURN CODE = 12

Explanation
 The resource information file (RIFL) member was
not found. Return code 12 is a Sort/Split utility return code, not
a return code from FIND.

System action
 The utility function was terminated.

Programmer response
 Ensure that the member name, including
the suffix of the RIFL member name, is correct in Stage 1.