Fatal error: Uncaught Error: Class "Doctrine\Common\Collections\Expr\ExpressionVisitor" not found in C:\Apache24\htdocs\cw\vendor\doctrine\collections\lib\Doctrine\Common\Collections\Expr\ClosureExpressionVisitor.php:28 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\doctrine\collections\lib\Doctrine\Common\Collections\Expr\ClosureExpressionVisitor.php on line 28