Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /home/abazis/apps/projects/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/KernelEvent.php:25 Stack trace: #0 {main} thrown in /home/abazis/apps/projects/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/KernelEvent.php on line 25