HELP: dbms_pipe

I am trying to write a package that uses DBMS_PIPE Package: .......
......
CREATE OR REPLACE PACKAGE BODY my_package AS   PROCEDURE use_pipes IS
   i INTEGER;
  BEGIN
    i := dbms_pipe.create_pipe('tst_pipe');   END use_pipes;
 END my_package;
/

It fails to compile with PLS-00201: identifier 'SYS.DBMS_PIPE' must be declared
error.

I have no trouble using DBMS_OUTPUT Package Also
 declare
   i integer;
 begin
  i := dbms_pipe.create_pipe('tst_pipe');  end;

executes fine

What can be wrong? Any help will be appreciated... Received on Wed Nov 26 1997 - 00:00:00 CST