Patch error

[Mar 28, 2013 12:41:16 PM]   OPatchSession::parse() on "napply","-skip_subset","
-skip_duplicate","-invPtrLoc","/oracle/oracle/app/oracle/product/11.2.0/dbhome_1
/oraInst.loc",
[Mar 28, 2013 12:41:16 PM]   Argument is "napply"
[Mar 28, 2013 12:41:16 PM]   Add commands for Help
[Mar 28, 2013 12:41:16 PM]   add command "apply"
[Mar 28, 2013 12:41:16 PM]   add command "napply"
[Mar 28, 2013 12:41:16 PM]   add command "rollback"
[Mar 28, 2013 12:41:16 PM]   add command "nrollback"
[Mar 28, 2013 12:41:16 PM]   add command "lsinventory"
[Mar 28, 2013 12:41:16 PM]   add command "lsinv"
[Mar 28, 2013 12:41:16 PM]   add command "lspatches"
[Mar 28, 2013 12:41:16 PM]   add command "query"
[Mar 28, 2013 12:41:16 PM]   add command "util"
[Mar 28, 2013 12:41:16 PM]   add command "prereq"
[Mar 28, 2013 12:41:16 PM]   add command "version"
[Mar 28, 2013 12:41:16 PM]   add command "-help"
[Mar 28, 2013 12:41:16 PM]   add command "-help -fmw"
[Mar 28, 2013 12:41:16 PM]   Add supported commands for validation