R12.1 : OKSUPBKH.sql and OKSUPBKL.sql failed while Applying 12.1.1 Upgrade Patch 6678700. PLS-00357:

@$APPL_TOP/oks/12

Hi,
OKSUPBKH.sql and OKSUPBKL.sql failed while Applying 12.1.1 Upgrade Patch 6678700.
In both cases adworker log shows:
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Restarting job that failed and was fixed.

Time when worker restarted job: Sun Nov 24 2013 16:05:19

Start time for file is: Sun Nov 24 2013 16:05:19

sqlplus -s APPS/***** @$APPL_TOP/oks/12.0.0/patch/115/sql/OKSUPBKH.sql &un_oks &batchsize 1 24
     c_ext_payer_id_val := IBY_EXTERNAL_PAYERS_ALL_S.nextval;
                                                     *
ERROR at line 339:
ORA-06550: line 339, column 55:
PLS-00357: Table,View Or Sequence reference 'IBY_EXTERNAL_PAYERS_ALL_S.NEXTVAL'
not allowed in this context
ORA-06550: line 339, column 7:
PL/SQL: Statement ignored

Time when worker failed: Sun Nov 24 2013 16:05:19
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