Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\HttpKernelInterface' not found in /home/app3/public_html/service/vendor/symfony/http-kernel/HttpKernel.php:36 Stack trace: #0 {main} thrown in /home/app3/public_html/service/vendor/symfony/http-kernel/HttpKernel.php on line 36