Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher' not found in /home/szfwxvyz/sms/sms-ito/vendor/symfony/http-kernel/Debug/TraceableEventDispatcher.php:24 Stack trace: #0 {main} thrown in /home/szfwxvyz/sms/sms-ito/vendor/symfony/http-kernel/Debug/TraceableEventDispatcher.php on line 24