Сообщение об ошибке

• Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 690 of /var/www/u0804077/info.kevlon.ru/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 691 of /var/www/u0804077/info.kevlon.ru/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 692 of /var/www/u0804077/info.kevlon.ru/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 695 of /var/www/u0804077/info.kevlon.ru/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 /var/www/u0804077/info.kevlon.ru/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 300 of /var/www/u0804077/info.kevlon.ru/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 301 of /var/www/u0804077/info.kevlon.ru/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 309 of /var/www/u0804077/info.kevlon.ru/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 316 of /var/www/u0804077/info.kevlon.ru/sites/default/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 791 of /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc).
• Warning: session_name(): Cannot change session name when headers already sent in drupal_settings_initialize() (line 803 of /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc).
• Warning: session_set_save_handler(): Cannot change save handler when headers already sent in drupal_session_initialize() (line 242 of /var/www/u0804077/info.kevlon.ru/includes/session.inc).
• Warning: session_id(): Cannot change session id when headers already sent in drupal_session_initialize() (line 266 of /var/www/u0804077/info.kevlon.ru/includes/session.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc:258) in drupal_send_headers() (line 1236 of /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc:258) in drupal_send_headers() (line 1236 of /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc).
• Warning: A non-numeric value encountered в функции _webform_render_number() (строка 317 в файле /var/www/u0804077/info.kevlon.ru/sites/all/modules/webform/components/number.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc:258) в функции drupal_send_headers() (строка 1236 в файле /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc:258) в функции drupal_send_headers() (строка 1236 в файле /var/www/u0804077/info.kevlon.ru/includes/bootstrap.inc).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters в функции drupal_get_feeds() (строка 394 в файле /var/www/u0804077/info.kevlon.ru/includes/common.inc).