Fatal error: Uncaught Error: Class 'Psy\Command\Command' not found in /home/edmedu/www/hana-edu.co.kr/renew/vendor/psy/psysh/src/Command/ClearCommand.php:22 Stack trace: #0 {main} thrown in /home/edmedu/www/hana-edu.co.kr/renew/vendor/psy/psysh/src/Command/ClearCommand.php on line 22