Fatal error: Uncaught Error: Class "Psy\Command\Config\AbstractConfigCommand" not found in C:\wamp64\houda\vendor\psy\psysh\src\Command\Config\ConfigGetCommand.php:21 Stack trace: #0 {main} thrown in C:\wamp64\houda\vendor\psy\psysh\src\Command\Config\ConfigGetCommand.php on line 21