Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface" not found in /home/maborneapp/public_html/vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:33 Stack trace: #0 {main} thrown in /home/maborneapp/public_html/vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php on line 33