Fatal error: Uncaught Error: Interface 'Doctrine\Common\Collections\Collection' not found in /srv/www/c5www/html/updates/concrete5-8.5.1/concrete/vendor/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php:34 Stack trace: #0 {main} thrown in /srv/www/c5www/html/updates/concrete5-8.5.1/concrete/vendor/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php on line 34