Fatal error: Uncaught Error: Class "Doctrine\ORM\Id\AbstractIdGenerator" not found in /home2/zpcu9479/app.gennia.fr/vendor/doctrine/orm/lib/Doctrine/ORM/Id/AssignedGenerator.php:15 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/doctrine/orm/lib/Doctrine/ORM/Id/AssignedGenerator.php on line 15