Patch 18221238:R12.PO.B got failed
Determining which SQL and EXEC commands to run...
Validating PL/SQL direct execute exceptions file ...
Initializing PL/SQL direct execute exceptions hash table ...
Done initializing PL/SQL direct execute exceptions hash table.
Uploading PL/SQL direct execute exceptions from file ...
Incorrect format in PL/SQL direct execute exceptions file.
Error validating PL/SQL direct execute exceptions file.
 Freeing includes hash table 
Freeing fixes hash table 
 Freeing basedons hash table 
Freeing entities hash table 
You should check the file
/u10/appluat/UAT6/apps/apps_st/appl/admin/UAT6/log/u18221238.log
Workarounds Tried
1. Applied the action plan as per the below note but not resolved.