MulterError: Unexpected field when trying to use different storage configuration

[ShaneCoelho]

`const express = require('express')
const mongoose = require('mongoose')
const jwt = require('jsonwebtoken')
const fetchadmin = require('../../middleware/fetchadmin');
const router = express.Router();
const admin = require("firebase-admin");
const multer = require('multer');
const serviceAccount = require("./serviceAccountKey.json");
const Admin = mongoose.model('Admin');
const Doctor = mongoose.model('Doctor');
const cloudinary = require('../../helper/imageUpload')

// Profile Photo Storage

const imageStorage = multer.diskStorage({});

const fileFilter = (req, file, cb) => {
console.log(file)
if (file.mimetype.startsWith('image')) {
cb(null, true);
} else {
cb('invalid image file!', false);
}
};
const uploads = multer({ storage: imageStorage, fileFilter });

//File Storage

admin.initializeApp({
credential: admin.credential.cert(serviceAccount),
storageBucket: "medease-9368b.appspot.com",
});

const bucket = admin.storage().bucket();

const storage = multer.memoryStorage();
const upload = multer({ storage: storage });

router.post('/adddoctor', fetchadmin, uploads.single('profile'), upload.single("file"), async (req, res) => {

const file = req.file;

if (!req.user)
return res
.status(401)
.json({ success: false, message: 'unauthorized access!' });

if (!file) {
return res.status(400).send("No file uploaded.");
}

//File Upload

const fileRef = bucket.file(file.originalname);
const blobStream = fileRef.createWriteStream();

blobStream.on("error", (error) => {
res.status(500).send("File upload error: " + error);
});

blobStream.on("finish", () => {
fileRef.makePublic().then(async () => {
const med_license = https://storage.googleapis.com/${bucket.name}/${fileRef.name};

  try {

    const jsonData = JSON.parse(req.body.data);
    const { name, gender, dob, email, phone, address, licene_number, specialization, experience, qualification, med_school, graduation_year, gov_id, username, password } = jsonData;

    const existingUser = await Doctor.findOne({ username });
    if (existingUser) {
      return res.status(409).send({ message: 'Username Already Taken' });
    }

    // Cloudinary upload code
    const result = await cloudinary.uploader.upload(req.file.path, {
      public_id: `${req.user._id}_profile`,
      width: 500,
      height: 500,
      crop: 'fill',
    });
   

    const Avatar = result.url;

    const newDoctor = new Doctor({ name, gender, dob, email, phone, address, licene_number, specialization, experience, qualification, med_school, graduation_year, gov_id, med_license, username, password, Avatar });
    await newDoctor.save();

    res.status(201).json({ message: 'Doctor registered successfully' });
  } catch (error) {
    console.error(error);
    res.status(500).json({ error: 'Internal server error' });
  }

})

});

blobStream.end(file.buffer);
});

module.exports = router`

I am trying to send two documents using postman to the backend and store one file on firebase and other on cloudinary using different configurations but i am encountering this error. If anyone has solution to this problem then Please!! do provide.

[joeyguerra]

In the error message, I see fiieldname = profile, but that route handler is expecting a fileldname of file too. Are you trying to upload multiple files in 1 request? have you tried using upload.array?