Fatal error: Uncaught Error: Class 'Psy\Exception\RuntimeException' not found in C:\Apache24\htdocs\vendor.old2\psy\psysh\src\Exception\DeprecatedException.php:17 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor.old2\psy\psysh\src\Exception\DeprecatedException.php on line 17