Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in /home/almasai/www/people/_old_site/vendor/symfony/src/Symfony/Component/HttpKernel/Event/KernelEvent.php:25 Stack trace: #0 {main} thrown in /home/almasai/www/people/_old_site/vendor/symfony/src/Symfony/Component/HttpKernel/Event/KernelEvent.php on line 25