Fatal error: Uncaught Error: Class 'Ramsey\Uuid\Uuid' not found in /home/edmedu/www/hana-edu.co.kr/sf4l/vendor/ramsey/uuid/src/Rfc4122/UuidV5.php:30 Stack trace: #0 {main} thrown in /home/edmedu/www/hana-edu.co.kr/sf4l/vendor/ramsey/uuid/src/Rfc4122/UuidV5.php on line 30