ACCEPT of I-O-FEEDBACK/OPEN-FEEDBACK requested but no files defined in program. Statement ignored.
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Cause . . . . . : An ACCEPT of I-O-FEEDBACK/OPEN-FEEDBACK can only be valid if files are specified in the program.
Recovery . . . : Correct or remove the ACCEPT statement or define a file in the program for the I-O-FEEDBACK/OPEN-FEEDBACK operation.