Fatal error: Uncaught Error: Interface 'Doctrine\ORM\Cache\CollectionHydrator' not found in /home/thomaeo/www/vendor/doctrine/orm/lib/Doctrine/ORM/Cache/DefaultCollectionHydrator.php:20 Stack trace: #0 {main} thrown in /home/thomaeo/www/vendor/doctrine/orm/lib/Doctrine/ORM/Cache/DefaultCollectionHydrator.php on line 20