Fail when applying patch 10281255

Dear Sir,

I got a problem when applying 10281255 patch. I'm not sure that is a package (AP_RETRO_PRICING_PKG) or resource shortage problem. Would you help me to identify and fix my problem?

Thank you.

EBS version: 12.1.1

DB version: 11.1.0.7

Below are the log from adworker:

=========================================================================

Start time for file is: Mon Jul 09 2012 17:20:23

package /oracle/tst/appltst/apps/apps_st/appl/ap/12.0.0/patch/115/sql/apretrob.pls 

AD Worker error:

ORA-03113: end-of-file on communication channel

Failed to execute statement. Statement is

CREATE OR REPLACE PACKAGE BODY AP_RETRO_PRICING_PKG  AS

/* $Header: ap ...

AD Worker error:

ORA-03113: end-of-file on communication channel