Fatal error: Uncaught Error: Class 'Symfony\Component\ExpressionLanguage\ExpressionLanguage' not found in /home/app/htdocs/ninja/vendor/symfony/dependency-injection/ExpressionLanguage.php:23 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/symfony/dependency-injection/ExpressionLanguage.php on line 23