Error message

• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).
• Notice: Undefined index: HTTP_ACCEPT_LANGUAGE in my_custom_tokens_init() (line 24 of /home/web/nomas.ru/www/sites/all/modules/custom/my_custom_tokens/my_custom_tokens.module).
• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/web/nomas.ru/www/index.php:59) in drupal_send_headers() (line 1505 of /home/web/nomas.ru/www/includes/bootstrap.inc).