Fatal error: Uncaught Error: Class "Symfony\Component\Uid\Ulid" not found in /home/mohamed/education.mohamed-emad.com/vendor/symfony/uid/Tests/Fixtures/CustomUlid.php:16 Stack trace: #0 {main} thrown in /home/mohamed/education.mohamed-emad.com/vendor/symfony/uid/Tests/Fixtures/CustomUlid.php on line 16