Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Exception\InvalidArgumentException' not found in /home/app/htdocs/ninja/vendor/symfony/dependency-injection/Exception/ParameterNotFoundException.php:19 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/symfony/dependency-injection/Exception/ParameterNotFoundException.php on line 19