Fatal error: Uncaught Error: Class "Symfony\Component\ExpressionLanguage\ParsedExpression" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\expression-language\SerializedParsedExpression.php:19 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\expression-language\SerializedParsedExpression.php on line 19