help wanted

[Digerdoo]

i try install phpbbs and almost works but what is this ?

 

 

Warning: Missing argument 3 for tep_get_zone_name() in /home/fhlinux195/w/mydomain.com/user/htdocs/includes/functions/general.php on line 260

 

Warning: Cannot modify header information - headers already sent by (output started at /home/fhlinux195/w/mydomain.com/user/htdocs/includes/functions/general.php:260) in /home/fhlinux195/w/mydomain.com/user/htdocs/includes/functions/general.php on line 29

 

and general.php line 29 :

 

header('Location: ' . $url);

 

and line 260:

 

function tep_get_zone_name($country_id, $zone_id, $default_zone) {

 

 

how can solve this problem ?