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