Error message

• Deprecated function: Methods with the same name as their class will not be constructors in a future version of PHP; backup_file has a deprecated constructor in require_once() (line 279 of /home/pajoohesh/domains/pajooheshonline.com/public_html/sites/all/modules/backup_migrate/backup_migrate.module).
• Warning: Cannot modify header information - headers already sent by (output started at /home/pajoohesh/domains/pajooheshonline.com/public_html/includes/common.inc:2791) in drupal_send_headers() (line 1499 of /home/pajoohesh/domains/pajooheshonline.com/public_html/includes/bootstrap.inc).
• Error: Call to undefined function flag_create_link() in include() (line 192 of /home/pajoohesh/domains/pajooheshonline.com/public_html/sites/all/themes/avinfam/templates/node/node--article.tpl.php).