Fatal error: Uncaught Error: Class "Psy\ExecutionLoop\Loop" not found in D:\Application\www\Training\vendor\psy\psysh\src\Psy\ExecutionLoop\ForkingLoop.php:23 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\psy\psysh\src\Psy\ExecutionLoop\ForkingLoop.php on line 23