Problem! PLEASE HELP ME!

[polop15]

Hi there!
I have a problem.
Link to the site: http://power-master.pl/

Warning: include(/homez.305/powermas/www/config/smarty.config.inc.php) [function.include]: failed to open stream: No such file or directory in /homez.305/powermas/www/config/config.inc.php on line 140

Warning: include() [function.include]: Failed opening '/homez.305/powermas/www/config/smarty.config.inc.php' for inclusion (include_path='.:/usr/local/lib/php') in /homez.305/powermas/www/config/config.inc.php on line 140

Warning: Cannot modify header information - headers already sent by (output started at /homez.305/powermas/www/config/config.inc.php:140) in /homez.305/powermas/www/header.php on line 4

Please help.
Regards.