Error message

• Warning: Cannot modify header information - headers already sent by (output started at /home/content/13/3181213/html/lorrainnurses/index.php:3) in drupal_send_headers() (line 1243 of /home/content/13/3181213/html/lorrainnurses/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/13/3181213/html/lorrainnurses/index.php:3) in drupal_send_headers() (line 1243 of /home/content/13/3181213/html/lorrainnurses/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/13/3181213/html/lorrainnurses/index.php:3) in drupal_send_headers() (line 1243 of /home/content/13/3181213/html/lorrainnurses/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/13/3181213/html/lorrainnurses/index.php:3) in drupal_send_headers() (line 1243 of /home/content/13/3181213/html/lorrainnurses/includes/bootstrap.inc).
• Warning: Illegal string offset 'field' in DatabaseCondition->__clone() (line 1901 of /home/content/13/3181213/html/lorrainnurses/includes/database/query.inc).
• Warning: Illegal string offset 'field' in DatabaseCondition->__clone() (line 1901 of /home/content/13/3181213/html/lorrainnurses/includes/database/query.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/13/3181213/html/lorrainnurses/index.php:3) in drupal_send_headers() (line 1243 of /home/content/13/3181213/html/lorrainnurses/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /home/content/13/3181213/html/lorrainnurses/index.php:3) in drupal_send_headers() (line 1243 of /home/content/13/3181213/html/lorrainnurses/includes/bootstrap.inc).