Fatal error: Uncaught Error: Class "Symfony\Component\ExpressionLanguage\Expression" not found in /home/claireha/public_html/FamilyTree/vendor/symfony/expression-language/ParsedExpression.php:21 Stack trace: #0 {main} thrown in /home/claireha/public_html/FamilyTree/vendor/symfony/expression-language/ParsedExpression.php on line 21