Fatal error: Uncaught Error: Class 'Symfony\Component\Uid\Ulid' not found in /home/edmedu/www/hana-edu.co.kr/renew/vendor/symfony/uid/NilUlid.php:14 Stack trace: #0 {main} thrown in /home/edmedu/www/hana-edu.co.kr/renew/vendor/symfony/uid/NilUlid.php on line 14