Error message

• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 705 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 706 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 707 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 709 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 711 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in include_once() (line 290 of /var/www/01_clients/darblaywood.com/www/sites/darblaywood.com/settings.php).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in include_once() (line 291 of /var/www/01_clients/darblaywood.com/www/sites/darblaywood.com/settings.php).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in include_once() (line 299 of /var/www/01_clients/darblaywood.com/www/sites/darblaywood.com/settings.php).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in include_once() (line 306 of /var/www/01_clients/darblaywood.com/www/sites/darblaywood.com/settings.php).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_settings_initialize() (line 799 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_settings_initialize() (line 808 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).
• Warning: session_name(): Cannot change session name when headers already sent in drupal_settings_initialize() (line 811 of /var/www/01_clients/darblaywood.com/www/includes/bootstrap.inc).