Fatal error: Uncaught Error: Class "Doctrine\Common\Collections\Expr\ExpressionVisitor" not found in /home/astechc1/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/SqlExpressionVisitor.php:22 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Persisters/SqlExpressionVisitor.php on line 22