Fatal error: Uncaught Error: Class 'Psy\Command\Command' not found in D:\xampp7\htdocs\www\nbkm\show_mu\vendor\psy\psysh\src\Command\ThrowUpCommand.php:33 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_mu\vendor\psy\psysh\src\Command\ThrowUpCommand.php on line 33