Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/doctrine/persistence/src/Persistence/Event/ManagerEventArgs.php:15 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/doctrine/persistence/src/Persistence/Event/ManagerEventArgs.php on line 15