Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in /var/www/html/navirre.com/htdocs/concrete/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnClearEventArgs.php:15 Stack trace: #0 {main} thrown in /var/www/html/navirre.com/htdocs/concrete/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnClearEventArgs.php on line 15