COBCH1982 A REDEFINES item cannot be a CONSTANT item

An item that is subject to a REDEFINES clause has also been defined as a constant.

In the following example, you need to remove either the REDEFINES clause or the CONSTANT keyword from the definition of B-REDEF.

       01  B.
          02  B-1  PIC 9(4) value 1234.
          02  B-2  PIC 9(4) value 4321.
       01  B-REDEF  REDEFINES B PIC X(8) CONSTANT. *> cannot define as CONSTANT