Plus or Minus-Field-Indicator is not allowed for an input field that is not numeric.
20
Cause . . . . . : A Plus-Field-Indicator entry (positions 69 - 70) or a Minus-Field-Indicator entry (positions 71 - 72) is specified for a field that is not numeric. Defaults to blanks.
Recovery . . . : Omit the Plus-Field-Indicator entry or the Minus-Field-Indicator entry, or change the definition of the field to numeric. Compile again.
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