file uploaded successfully,but got error from server side about upload HOT 2 CLOSED

use Recca0120\Upload\UploadManager;
use Symfony\Component\HttpFoundation\File\UploadedFile;

class UploadController extends Controller
{
    public function upload(UploadManager $manager)
    {
        $driver = 'plupload'; // or 'fileapi'
        $inputName = 'file'; // $_FILES index;
        $storagePath = 'storage/temp';

        return $manager
            ->driver($driver)
            ->receive($inputName, function (UploadedFile $uploadedFile, $path, $domain, $api) {
                // do something

            });
    }
}