R12.1.3 : APPS.okl_contract_book_PVT package body is Invalid

Hello,

APPS.okl_contract_book_PVT package body is invalid.  Package Spec is Valid

Spec ver. OKLRBKGB.pls 120.63.12010000.6 2010/08/02
Body ver. OKLRBKGS.pls 120.5 2007/05/14

Apps version 12.1.3
DB version 11.2.0.3
RHEL Linux 6.2


1) What object(s) and object type(s) are you having issues with?
PACKAGE BODY APPS.okl_contract_book_pvt AS
/* $Header: OKLRBKGB.pls 120.63.12010000.6 2010/08/02 08:22:31 sosharma ship $ */

Body 82 13 PLS-00323: subprogram or cursor 'POST_APPROVAL_PROCESS' is declared in a package specification and must be defined in the package body
Body 1501 10 PLS-00306: wrong number or types of arguments in call to 'POST_APPROVAL_PROCESS'
Body 1173 7 PLS-00306: wrong number or types of arguments in call to 'POST_APPROVAL_PROCESS'