Matching-Fields entry is not valid; defaults to blanks.
20
Cause . . . . . : A Matching-Fields entry (positions 65 - 66 of an Input-Field specification) is specified without a Field-Record-Relation entry (positions 67 - 68), but a Matching-Fields entry for a field with Field-Record-Relation entry specified is previously defined in this record.
Recovery . . . : Ensure that all match fields without Field-Record-Relation entries precede those match fields with Field-Record-Relation entries specified. Compile again.
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