Сообщение об ошибке

• Warning: Cannot modify header information - headers already sent by (output started at /home/user2027701/www/milktechservice.by/index.php:4) in drupal_send_headers() (line 1505 of /home/user2027701/www/milktechservice.by/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/user2027701/www/milktechservice.by/index.php:4) in drupal_send_headers() (line 1505 of /home/user2027701/www/milktechservice.by/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/user2027701/www/milktechservice.by/index.php:4) in drupal_send_headers() (line 1505 of /home/user2027701/www/milktechservice.by/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/user2027701/www/milktechservice.by/index.php:4) в функции drupal_send_headers() (строка 1505 в файле /home/user2027701/www/milktechservice.by/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/user2027701/www/milktechservice.by/index.php:4) в функции drupal_send_headers() (строка 1505 в файле /home/user2027701/www/milktechservice.by/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/user2027701/www/milktechservice.by/index.php:4) в функции drupal_send_headers() (строка 1505 в файле /home/user2027701/www/milktechservice.by/includes/bootstrap.inc).