Fatal error: Uncaught Error: Class "Doctrine\Common\Collections\AbstractLazyCollection" not found in /home/esipntnw/academy.esip.tn/syrine_azzouz/vendor/doctrine/orm/lib/Doctrine/ORM/PersistentCollection.php:40 Stack trace: #0 {main} thrown in /home/esipntnw/academy.esip.tn/syrine_azzouz/vendor/doctrine/orm/lib/Doctrine/ORM/PersistentCollection.php on line 40