multer error

const storage = multer.memoryStorage({

    destination: function (req, file, cb) {
        cb(null, '')
    }
})

const filefilter = (req, file, cb) => {
    if (file.mimetype === 'image/jpeg' || file.mimetype === 'image/jpg') {
        cb(null, true)
    } else {
        cb(null, false)
    }
}

// defining the upload variable for the configuration of photo being uploaded
const upload = multer({ storage: storage, fileFilter: filefilter }).fields([{name:'image',maxCount:1}]);

const s3 = new Aws.S3({
accessKeyId:config.get('AWSAccessKeyId'),              // accessKeyId that is stored in .env file
secretAccessKey:config.get('AWSSecretKey'),       // secretAccessKey is also store in .env file
})

router.post('/',upload, async (req, res, next) => {


    const params = {
        Bucket:"imgstrg",      // bucket that we made earlier
        Key:req.file.originalname,               // Name of the image
        Body:req.file.buffer,                    // Body which will contain the image in buffer format
        ACL:"public-read-write",                 // defining the permissions to get the public link
        ContentType:"image/jpeg"                 // Necessary to define the image content-type to view the photo in the browser with the link
    };

    s3.upload(params,(error,data)=>{
        if(error){
            res.status(404).send({"error":error});
        }
        res.send(data.Location);
    })
})