Fatal error: Uncaught Error: Class "Doctrine\Common\Collections\ArrayCollection" not found in E:\www\catalog_frey\qgmvc\v1.0\composer\vendor\alchemy\zippy\src\Resource\ResourceCollection.php:17 Stack trace: #0 {main} thrown in E:\www\catalog_frey\qgmvc\v1.0\composer\vendor\alchemy\zippy\src\Resource\ResourceCollection.php on line 17