Fatal error: Uncaught exception 'Exception' with message 'Column 'tracking_recipient_id' cannot be null' in /synthetic/web/classes/database.class.php:82
Stack trace:
#0 /synthetic/web/classes/active_record.class.php(154): Database->execute('insert into `tr...')
#1 /synthetic/web/includes/init.inc.php(452): ActiveRecord->post()
#2 /synthetic/web/includes/init.inc.php(588): tracking()
#3 /synthetic/web/index.php(21): require_once('/synthetic/web/...')
#4 {main}
thrown in /synthetic/web/classes/database.class.php on line 82