Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\KernelInterface' not found in /var/www/html/btest1.ledaco.net/public_html/external/vendor/symfony/http-kernel/Kernel.php:58 Stack trace: #0 {main} thrown in /var/www/html/btest1.ledaco.net/public_html/external/vendor/symfony/http-kernel/Kernel.php on line 58