Fatal error: Uncaught Error: Class "Symfony\Component\ExpressionLanguage\ParsedExpression" not found in /var/www/html/API_Forum/vendor/symfony/expression-language/SerializedParsedExpression.php:21 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/symfony/expression-language/SerializedParsedExpression.php on line 21