Error on running PO Approval Analyzer

 We get the following error upon running the PO Approval Analyzer Concurrent request:

PODIAGAA module: PO Approval Analyzer
+---------------------------------------------------------------------------+

Current system time is 04-JUN-2013 13:00:23

+---------------------------------------------------------------------------+

**Starts**04-JUN-2013 13:00:23
ORACLE error 6550 in FDPSTP

Cause: FDPSTP failed due to ORA-06550: line 1, column 7:
PLS-00201: identifier 'PO_APPRVL_ANALYZER_PKG.MAIN_CP' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored

Could not find a Metalink note to resolve the above error.

Has anyone else encountered the above issue? If so, what was the solution?

Ketan