dopo aver tradotto dal russo all'italiano ho questo errore in alto alla pagina...

codice:
Warning: Cannot modify header information - headers already sent by (output started at /home/web/www.hiwap3.net/www/wapforum/language/lang_russian/lang_main.php:1) in /home/web/www.hiwap3.net/www/wapforum/includes/page_header.php on line 430

Warning: Cannot modify header information - headers already sent by (output started at /home/web/www.hiwap3.net/www/wapforum/language/lang_russian/lang_main.php:1) in /home/web/www.hiwap3.net/www/wapforum/includes/page_header.php on line 432

Warning: Cannot modify header information - headers already sent by (output started at /home/web/www.hiwap3.net/www/wapforum/language/lang_russian/lang_main.php:1) in /home/web/www.hiwap3.net/www/wapforum/includes/page_header.php on line 433
qualcuno sa dirmi dove posso aver sbagliato???

grazie