Unable to update PM schedule using API

Hello ,

Im trying to update the PM Schedule Date rules using the eam_pmdef_pub.update_pm_def API ,however it returns an error with the following error message

Return Status: E

Return Message Count: 1

Return Message Data: EAM 

Error::

Enclosed is the package written on a sample basis using the code in note no 2025233.1.

Any help on this would be great

Create or replace package body  XXTMXP_PM_SCHED_RULE_UPD_PKG as

PROCEDURE XXTMXP_PM_UPDATE_PM_PRC(ERRBUF  OUT VARCHAR2,

                                     RETCODE OUT VARCHAR2) is

                                    

                                    

                                    

  in_pm_schedule_rec           eam_pmdef_pub.pm_scheduling_rec_type;

  in_pm_activities_tbl         eam_pmdef_pub.pm_activities_grp_tbl_type;