Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\KernelInterface' not found in /opt/lampp/htdocs/Insurance-Integration/vendor/symfony/http-kernel/Kernel.php:58 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/Insurance-Integration/vendor/symfony/http-kernel/Kernel.php on line 58