Error message

• Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in drupal_session_initialize() (line 245 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/session.inc).
• Warning: session_id(): Session ID cannot be changed after headers have already been sent in drupal_session_initialize() (line 269 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/session.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/i18n/i18n.module:236) in drupal_send_headers() (line 1558 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/i18n/i18n.module:236) in drupal_send_headers() (line 1558 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/i18n/i18n.module:236) in drupal_send_headers() (line 1558 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/bootstrap.inc).
• Deprecated function: Creation of dynamic property EntityTranslationNodeHandler::$revisionId is deprecated in EntityTranslationDefaultHandler->setEntity() (line 1013 of /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/entity_translation/includes/translation.handler.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/i18n/i18n.module:236) in drupal_send_headers() (line 1558 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/i18n/i18n.module:236) in drupal_send_headers() (line 1558 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/i18n/i18n.module:236) in drupal_send_headers() (line 1558 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/bootstrap.inc).
• Warning: Cannot modify header information - headers already sent by (output started at /data01/virt50737/domeenid/www.paju.edu.ee/www/modules/i18n/i18n.module:236) in drupal_send_headers() (line 1558 of /data01/virt50737/domeenid/www.paju.edu.ee/www/includes/bootstrap.inc).