Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\HttpKernelInterface' not found in /home/prooyavi/laravel/laravel/vendor/symfony/http-kernel/KernelInterface.php:29 Stack trace: #0 {main} thrown in /home/prooyavi/laravel/laravel/vendor/symfony/http-kernel/KernelInterface.php on line 29