Dear kamailio'ns

I am running kamailio 4.0.3 on ubuntu 12.04 and installed kamailio from its repository. I had changed the default kamailio config file, and inserted xmpp and presence related script. But after all when i tried to start my kamailio server I am getting the following errors:

$ sudo /etc/init.d/kamailio start
Not starting Kamailio: invalid configuration file!
-e
 0(5502) INFO: tls [tls_init.c:385]: init_tls_compression(): tls: init_tls: disabling compression...
 0(5502) : <core> [cfg.y:3570]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 816, column 6: syntax error
 0(5502) : <core> [cfg.y:3570]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 816, column 6: missing '(' or ')' ?
 0(5502) : <core> [cfg.y:3570]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 816, column 6: bad command: missing ';'?
 0(5502) : <core> [cfg.y:3570]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 816, column 15: '('')' expected (function call)
 0(5502) : <core> [cfg.y:3570]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 816, column 15: bad command: missing ';'?
 0(5502) : <core> [cfg.y:3570]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 816, column 17: bad command
ERROR: bad config file (6 errors)

All of the above errors are pointing at route[Presence] block in the script.