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 695 of /home/amcnnc5/public_html/arts-news.net-new/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 696 of /home/amcnnc5/public_html/arts-news.net-new/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 697 of /home/amcnnc5/public_html/arts-news.net-new/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 700 of /home/amcnnc5/public_html/arts-news.net-new/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 702 of /home/amcnnc5/public_html/arts-news.net-new/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 302 of /home/amcnnc5/public_html/arts-news.net-new/sites/default/settings.php).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in include_once() (line 303 of /home/amcnnc5/public_html/arts-news.net-new/sites/default/settings.php).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in include_once() (line 311 of /home/amcnnc5/public_html/arts-news.net-new/sites/default/settings.php).
• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in include_once() (line 318 of /home/amcnnc5/public_html/arts-news.net-new/sites/default/settings.php).