Patch 13641899 failed

Patch 13641899 failed we uploaded the log files including worker log file.
Note: we have applied its pre-req's patches  as per read me.
please provide the solution for the above issue.

Release 11.5.10.2

Time is: Fri Nov 02 2012 20:45:58

   FAILED: file ibysect.odf  on worker  1 for product iby username IBY.

Time is: Fri Nov 02 2012 20:45:59

 Deferred: file ibysect.odf  on worker  1 for product iby username IBY.

Time is: Fri Nov 02 2012 20:45:59
               (Deferment number 1 for this job)
 Assigned: file ibysect.odf  on worker  1 for product iby username IBY.

Time is: Fri Nov 02 2012 20:45:59

   FAILED: file ibysect.odf  on worker  1 for product iby username IBY.

Time is: Fri Nov 02 2012 20:45:59