Сообщение об ошибке

• Warning: Cannot modify header information - headers already sent by (output started at /home/a/audc10/site2017/public_html/index.php:3) in drupal_send_headers() (line 1490 of /home/a/audc10/site2017/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/a/audc10/site2017/public_html/index.php:3) in drupal_send_headers() (line 1490 of /home/a/audc10/site2017/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/a/audc10/site2017/public_html/index.php:3) in drupal_send_headers() (line 1490 of /home/a/audc10/site2017/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/a/audc10/site2017/public_html/index.php:3) в функции drupal_send_headers() (строка 1490 в файле /home/a/audc10/site2017/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/a/audc10/site2017/public_html/index.php:3) в функции drupal_send_headers() (строка 1490 в файле /home/a/audc10/site2017/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/a/audc10/site2017/public_html/index.php:3) в функции drupal_send_headers() (строка 1490 в файле /home/a/audc10/site2017/public_html/includes/bootstrap.inc).