Fatal error: Uncaught Error: Class "Doctrine\ORM\Query\AST\Node" not found in /home/astechc1/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Query/AST/WhenClause.php:12 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Query/AST/WhenClause.php on line 12