SQL & PL/SQL

Hey all,when i am trying to create a package i am getting an error PLS-00410: duplicate fields in RECORD,TABLE or argument list are not permitted

CREATE OR REPLACE PACKAGE plsql101_pack IS
   DATE_LOADED DATE;

TYPE pkg_perform_type IS RECORD
     (person_code     plsql101_person.person_code%TYPE,
      person_name     CHAR(12),
      current_sales   NUMBER(8,2),
      perform_percent NUMBER(8,1),
      status          CHAR(30)
      );
CURSOR PKG_PER_CUR RETURN plsql101_person%ROWTYPE;

FUNCTION pkg_comp_discounts (order_amt NUMBER) RETURN NUMBER;


PROCEDURE pkg_compute_perform
    (a_perform plsql101_person%ROWTYPE,
     a_perform OUT pkg_perform_type);
END plsql101_pack;
/

SQL> @plsql101_pack

Warning: Package created with compilation errors.

SQL> SHO ERROR
Errors for PACKAGE PLSQL101_PACK:

LINE/COL ERROR
-------- -----------------------------------------------------------------
18/1     PL/SQL: Declaration ignored
18/1     PLS-00410: duplicate fields in RECORD,TABLE or argument list are
         not permitted

can i know why i am getting the error..
Thanks in advance!!