Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in D:\xampp\htdocs\erp_api\vendor\symfony\http-kernel\Symfony\Component\HttpKernel\Event\KernelEvent.php:25 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\symfony\http-kernel\Symfony\Component\HttpKernel\Event\KernelEvent.php on line 25