Fatal error: Uncaught Error: Interface 'Doctrine\Common\Collections\Collection' not found in /var/www/html/navirre.com/htdocs/concrete/vendor/doctrine/collections/lib/Doctrine/Common/Collections/AbstractLazyCollection.php:16 Stack trace: #0 {main} thrown in /var/www/html/navirre.com/htdocs/concrete/vendor/doctrine/collections/lib/Doctrine/Common/Collections/AbstractLazyCollection.php on line 16