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