Error message

• Warning: ini_set() [function.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/dittegetnamn.se/public_html/sites/default/settings.php).
• Warning: ini_set() [function.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/dittegetnamn.se/public_html/sites/default/settings.php).
• Warning: ini_set() [function.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/dittegetnamn.se/public_html/sites/default/settings.php).
• Warning: ini_set() [function.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/dittegetnamn.se/public_html/sites/default/settings.php).
• Warning: ini_set() [function.ini-set]: Headers already sent. You cannot change the session module's ini settings at this time in drupal_settings_initialize() (line 819 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: session_name() [function.session-name]: Cannot change session name when headers already sent in drupal_settings_initialize() (line 831 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/dittegetnamn.se/public_html/misc/typo3/phar-stream-wrapper/src/PharStreamWrapper.php:479) in _drupal_bootstrap_page_cache() (line 2707 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: session_set_save_handler() [function.session-set-save-handler]: Cannot change save handler when headers already sent in drupal_session_initialize() (line 242 of /var/www/dittegetnamn.se/public_html/includes/session.inc).
• Warning: session_id() [function.session-id]: Cannot change session id when headers already sent in drupal_session_initialize() (line 266 of /var/www/dittegetnamn.se/public_html/includes/session.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/dittegetnamn.se/public_html/misc/typo3/phar-stream-wrapper/src/PharStreamWrapper.php:479) in drupal_send_headers() (line 1503 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/dittegetnamn.se/public_html/misc/typo3/phar-stream-wrapper/src/PharStreamWrapper.php:479) in drupal_send_headers() (line 1503 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/dittegetnamn.se/public_html/misc/typo3/phar-stream-wrapper/src/PharStreamWrapper.php:479) in drupal_send_headers() (line 1503 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/dittegetnamn.se/public_html/misc/typo3/phar-stream-wrapper/src/PharStreamWrapper.php:479) in drupal_send_headers() (line 1503 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/dittegetnamn.se/public_html/misc/typo3/phar-stream-wrapper/src/PharStreamWrapper.php:479) in drupal_send_headers() (line 1503 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /var/www/dittegetnamn.se/public_html/misc/typo3/phar-stream-wrapper/src/PharStreamWrapper.php:479) in drupal_send_headers() (line 1503 of /var/www/dittegetnamn.se/public_html/includes/bootstrap.inc).
• Deprecated function: implode() [function.implode]: Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /var/www/dittegetnamn.se/public_html/includes/common.inc).