Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\KernelInterface" not found in /users/energydata/www/volkszaehler.org/vendor/symfony/http-kernel/Kernel.php:58 Stack trace: #0 {main} thrown in /users/energydata/www/volkszaehler.org/vendor/symfony/http-kernel/Kernel.php on line 58