Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\KernelInterface" not found in D:\xampp\htdocs\_runing\sales-manager-system\vendor\symfony\http-kernel\Kernel.php:56 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_runing\sales-manager-system\vendor\symfony\http-kernel\Kernel.php on line 56