Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in /home/n767897/indeflex.ridgebackdesign.com/lms/plugins/Dummy/Features/Events/DummyEvent.php:10 Stack trace: #0 {main} thrown in /home/n767897/indeflex.ridgebackdesign.com/lms/plugins/Dummy/Features/Events/DummyEvent.php on line 10