Fatal error: Uncaught Error: Class 'Symfony\Component\VarDumper\Cloner\VarCloner' not found in /home/edmedu/www/edmtw.com/dev.bak/vendor/psy/psysh/src/VarDumper/Cloner.php:21 Stack trace: #0 {main} thrown in /home/edmedu/www/edmtw.com/dev.bak/vendor/psy/psysh/src/VarDumper/Cloner.php on line 21