Fatal error: Uncaught Error: Class 'Psy\Reflection\ReflectionClassConstant' not found in /home/edmedu/www/hana-edu.co.kr/sf4l/vendor/psy/psysh/src/Reflection/ReflectionConstant.php:19 Stack trace: #0 {main} thrown in /home/edmedu/www/hana-edu.co.kr/sf4l/vendor/psy/psysh/src/Reflection/ReflectionConstant.php on line 19