Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Event\ConsoleEvent' not found in /home/app/htdocs/ninja/vendor/symfony/console/Event/ConsoleExceptionEvent.php:27
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/symfony/console/Event/ConsoleExceptionEvent.php on line 27