Fatal error: Uncaught Error: Class 'Psy\Exception\RuntimeException' not found in C:\xampp73\htdocs\web\vendor\psy\psysh\src\Exception\DeprecatedException.php:17 Stack trace: #0 {main} thrown in C:\xampp73\htdocs\web\vendor\psy\psysh\src\Exception\DeprecatedException.php on line 17