Fatal error: Uncaught Error: Class 'Doctrine\Persistence\Event\ManagerEventArgs' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/doctrine/orm/lib/Doctrine/ORM/Event/PreFlushEventArgs.php:18 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/doctrine/orm/lib/Doctrine/ORM/Event/PreFlushEventArgs.php on line 18