Fatal error: Uncaught Error: Class "Symfony\Component\Console\Event\ConsoleEvent" not found in /users/energydata/www/volkszaehler.org/vendor/symfony/console/Event/ConsoleTerminateEvent.php:23 Stack trace: #0 {main} thrown in /users/energydata/www/volkszaehler.org/vendor/symfony/console/Event/ConsoleTerminateEvent.php on line 23