Fatal error: Uncaught Error: Class 'Psy\Command\ListCommand\Enumerator' not found in C:\xampp73\htdocs\web\vendor\psy\psysh\src\Command\ListCommand\ConstantEnumerator.php:20 Stack trace: #0 {main} thrown in C:\xampp73\htdocs\web\vendor\psy\psysh\src\Command\ListCommand\ConstantEnumerator.php on line 20