getting error on attaching attachments

[tepid echo]

Error uploading product: TypeError: Cannot read properties of undefined (reading 'Symbol(Symbol.asyncIterator)')

on uploading attachmentbuilder[]

[blissful bear]

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[tepid echo]

export const cdnUpload: RequestHandler = async (req, res) => {
    if (!req.files || (req.files as Express.Multer.File[]).length < 1) return res.status(500).json({ message: "No image set" });
    try {
        // Extract product data from the request
        const { produk, price, stock, description } = req.body;
        console.log(produk);
        console.log(price);
        console.log(stock);
        const images = (req.files as Express.Multer.File[]).map((file) => new AttachmentBuilder(file.buffer).setFile(file.buffer).setName(file.filename)); // Convert uploaded files to MessageAttachment instances
        const id = await generateUniqueID();

        // Get the target guild
        console.log(client)
        const guild = await client.guilds.fetch(process.env.GUILD!);

        // Create a new channel in the target guild
        const channel = await guild.channels.create({
            name: `product-${produk}-${id}`,
            reason: 'New product upload',
        });

        // Send the images and product details to the new channel
        const productMessage = await channel.send({
            content: `**Product Name:** ${produk}\n**Price:** ${price}\n**Stock:** ${stock}\n**Description:** ${description}`,
            files: images,
        });

        // Create a new product document
        const newProduct = new ProductModel({
            id,
            nama: produk,
            price,
            stok: stock,
            description,
            img: productMessage.attachments.map((attachment:Attachment) => attachment.url),
        });

        // Save the product to the database
        await newProduct.save();

        // Respond with success
        res.status(200).json({ message: 'Product uploaded successfully!' });
    } catch (error) {
        console.error('Error uploading product:', error);
        res.status(500).json({ message: 'Error uploading product.' });
    }
};

[wild elm]

please share the whole error

[tepid echo]

Error uploading product: TypeError: Cannot read properties of undefined (reading 'Symbol(Symbol.asyncIterator)')
at DataResolver.resolveFile (/Users/farrel/Desktop/Code/project-website-fire_fighter/node_modules/discord.js/src/util/DataResolver.js:117:24)
at MessagePayload.resolveFile (/Users/farrel/Desktop/Code/project-website-fire_fighter/node_modules/discord.js/src/structures/MessagePayload.js:260:54)
at /Users/farrel/Desktop/Code/project-website-fire_fighter/node_modules/discord.js/src/structures/MessagePayload.js:225:85
at Array.map (<anonymous>)
at MessagePayload.resolveFiles (/Users/farrel/Desktop/Code/project-website-fire_fighter/node_modules/discord.js/src/structures/MessagePayload.js:225:56)
at TextChannel.send (/Users/farrel/Desktop/Code/project-website-fire_fighter/node_modules/discord.js/src/structures/interfaces/TextBasedChannel.js:154:50)
at cdnUpload (file:///Users/farrel/Desktop/Code/project-website-fire_fighter/dist/controller/api/cdnUpload.js:36:46)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)

[wild elm]

sounds like one or more of file.buffer was undefined

[tepid echo]

file.buffer indeed is defined, because on my multer testcase it uploaded the image

[wild elm]

please actually log file.buffer as you iterate