The CALL GIVING/RETURNING item does not match the specified returned item.
30
Cause . . . . . : The item specified on the CALL GIVING/RETURNING phrase does not match the length, type, or usage of the item specified in the PROCEDURE DIVISION RETURNING phrase.
Recovery . . . : Change the length, type or usage of the CALL GIVING/RETURNING item so that it matches that of the PROCEDURE DIVISION RETURNING item.