Fatal error: Uncaught Error: Class "Psy\Exception\RuntimeException" not found in D:\Application\www\Training\vendor\psy\psysh\src\Psy\Exception\DeprecatedException.php:17 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\psy\psysh\src\Psy\Exception\DeprecatedException.php on line 17