R12.0.6 : Error when applying Patch 13774477 Oracle HRMS Release Update Pack 10 for 12.0 (R12.HR_PF.

Hi,

I am applying Patch 13774477 Oracle HRMS Release Update Pack 10 for 12.0 (R12.HR_PF.A.DELTA.10)
During the patch I am getting below error

ORA-04021: timeout occurred while waiting to lock object APPS.FND_DATE

I checked ,there are no locks in the database

From the log file :
-----------------------

package $APPL_TOP/fnd/12.0.0/patch/115/sql/AFDDATES.pls

AD Worker error:
ORA-04021: timeout occurred while waiting to lock object APPS.FND_DATE


Failed to execute statement. Statement is

CREATE or REPLACE PACKAGE FND_DATE as
/* $Header: AFDDATES.pls 120.1.1 ...

AD Worker error:
ORA-04021: timeout occurred while waiting to lock object APPS.FND_DATE