Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in /home/pynchc/public_html/DEV/Old/concrete/src/User/Event/AddUser.php:6 Stack trace: #0 {main} thrown in /home/pynchc/public_html/DEV/Old/concrete/src/User/Event/AddUser.php on line 6