Сообщение об ошибке

• Warning: Cannot modify header information - headers already sent by (output started at /home/kupi-slona/kupi-slona.org/docs/index.php:3) in _drupal_bootstrap_page_cache() (line 2410 of /home/kupi-slona/kupi-slona.org/docs/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/kupi-slona/kupi-slona.org/docs/index.php:3) in drupal_send_headers() (line 1221 of /home/kupi-slona/kupi-slona.org/docs/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/kupi-slona/kupi-slona.org/docs/index.php:3) in drupal_send_headers() (line 1221 of /home/kupi-slona/kupi-slona.org/docs/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/kupi-slona/kupi-slona.org/docs/index.php:3) in drupal_send_headers() (line 1221 of /home/kupi-slona/kupi-slona.org/docs/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/kupi-slona/kupi-slona.org/docs/index.php:3) in drupal_send_headers() (line 1221 of /home/kupi-slona/kupi-slona.org/docs/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/kupi-slona/kupi-slona.org/docs/index.php:3) в функции drupal_send_headers() (строка 1221 в файле /home/kupi-slona/kupi-slona.org/docs/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/kupi-slona/kupi-slona.org/docs/index.php:3) в функции drupal_send_headers() (строка 1221 в файле /home/kupi-slona/kupi-slona.org/docs/includes/bootstrap.inc).