Fatal error: Uncaught Error: Class "Doctrine\ORM\Id\AbstractIdGenerator" not found in /home/iotechtniu/ioacademy/vendor/symfony/doctrine-bridge/IdGenerator/UlidGenerator.php:19 Stack trace: #0 {main} thrown in /home/iotechtniu/ioacademy/vendor/symfony/doctrine-bridge/IdGenerator/UlidGenerator.php on line 19