R12.1.3 : peasgasd.sql - errors ORA-06512: at "APPS.HR_API_USER_HOOKS_UTILITY" while applying patch

@/u01/ARQDEV/apps/apps_st/appl/per/12

Hi,
On : 12.1.3 version, Patch Application Issues
When attempting to apply HRMS RUP6, the following error occurs.
sqlplus -s APPS/***** @/u01/ARQDEV/apps/apps_st/appl/per/12.0.0/patch/115/sql/peasgasd.sql
Connected.

PL/SQL procedure successfully completed.
Commit complete.

API User Hook Pre-Processor One Module Report
=============================================
Created on 2013/10/15 23:28:23 (YYYY/MM/DD HH:MM:SS)

ACTUAL_TERMINATION_EMP_ASG(Business Process API) successful.
UPDATE_APL_ASG(Business Process API) successful.
ACTIVATE_EMP_ASG(Business Process API) successful.
SUSPEND_EMP_ASG(Business Process API) successful.
CREATE_SECONDARY_APL_ASG(Business Process API) successful.
OFFER_APL_ASG(Business Process API) successful.
UPDATE_CWK_ASG(Business Process API) successful.