Fatal error: Uncaught Error: Class "Psy\Command\ListCommand\Enumerator" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\psy\psysh\src\Command\ListCommand\ConstantEnumerator.php:20 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\psy\psysh\src\Command\ListCommand\ConstantEnumerator.php on line 20