Fatal error: Uncaught Error: Class "Composer\Util\RemoteFilesystem" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\flex\src\ParallelDownloader.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\flex\src\ParallelDownloader.php on line 24