Fatal error: Uncaught Error: Interface "Psy\VersionUpdater\Downloader" not found in C:\svn\conexerp\vendor\psy\psysh\src\VersionUpdater\Downloader\CurlDownloader.php:18 Stack trace: #0 {main} thrown in C:\svn\conexerp\vendor\psy\psysh\src\VersionUpdater\Downloader\CurlDownloader.php on line 18