Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in /home/synap/fr/synap/dev/www/7/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnClearEventArgs.php:31 Stack trace: #0 {main} thrown in /home/synap/fr/synap/dev/www/7/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnClearEventArgs.php on line 31