Fatal error: Uncaught LogicException: The "Symfony\Component\Security\Core\Authorization\ExpressionLanguage" class requires the "ExpressionLanguage" component. Try running "composer require symfony/expression-language". in /home/itscm/dev.its.cm/webserivesits/vendor/symfony/security-core/Authorization/ExpressionLanguage.php:21 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/symfony/security-core/Authorization/ExpressionLanguage.php on line 21