Fatal error: Uncaught Error: Class "Symfony\Component\ExpressionLanguage\Node\Node" not found in /home/ldt/public_html/canvas/udoit/vendor/symfony/expression-language/Node/ArrayNode.php:21 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/symfony/expression-language/Node/ArrayNode.php on line 21