Error message

• Warning: Cannot modify header information - headers already sent by (output started at /home/content/22/10356122/html/index.php:2) in _drupal_bootstrap_page_cache() (line 2673 of /home/content/22/10356122/html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/22/10356122/html/index.php:2) in drupal_send_headers() (line 1475 of /home/content/22/10356122/html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/22/10356122/html/index.php:2) in drupal_send_headers() (line 1475 of /home/content/22/10356122/html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/22/10356122/html/index.php:2) in drupal_send_headers() (line 1475 of /home/content/22/10356122/html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/22/10356122/html/index.php:2) in drupal_send_headers() (line 1475 of /home/content/22/10356122/html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/22/10356122/html/index.php:2) in drupal_send_headers() (line 1475 of /home/content/22/10356122/html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/22/10356122/html/index.php:2) in drupal_send_headers() (line 1475 of /home/content/22/10356122/html/includes/bootstrap.inc).