Fatal error: Uncaught Error: Class 'Doctrine\ORM\Cache\Exception\CacheException' not found in /home/thomaeo/www/vendor/doctrine/orm/lib/Doctrine/ORM/Cache/Exception/CannotUpdateReadOnlyCollection.php:11 Stack trace: #0 {main} thrown in /home/thomaeo/www/vendor/doctrine/orm/lib/Doctrine/ORM/Cache/Exception/CannotUpdateReadOnlyCollection.php on line 11