Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in /home/heranore/public_html/testhotelyadmin/vendor/doctrine/persistence/lib/Doctrine/Persistence/Event/ManagerEventArgs.php:12 Stack trace: #0 {main} thrown in /home/heranore/public_html/testhotelyadmin/vendor/doctrine/persistence/lib/Doctrine/Persistence/Event/ManagerEventArgs.php on line 12