My csrf token is misconfigured...what's wrong?

Here's my code:

require("dotenv").config();

const express = require("express");
const mongoose = require("mongoose");
const csrf = require("csurf");
const bodyParser = require("body-parser");

const app = express();
const conn = process.env.CONNECTION;
const csrfProtection = csrf();

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(csrfProtection);

const loginRoutes = require("./routes/login");
const authRoutes = require("./routes/auth");
const createRoutes = require("./routes/create");

app.use((req, res, next) => {
  res.locals.csrfToken = req.csrfToken();
  next();
});

app.use(loginRoutes);
app.use(authRoutes);
app.use(createRoutes);

mongoose
  .connect(conn)
  .then(result => {
    app.listen(5000);
  })
  .catch(err => {
    console.log(err);
  });

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I'm getting an error that says my csrf token is misconfigured and I don't know what to do or where to start.

Here's the whole error:

Error: misconfigured csrf
    at csrf (C:\wamp\www\authentication\node_modules\csurf\index.js:71:19)
    at Layer.handle [as handle_request] (C:\wamp\www\authentication\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (C:\wamp\www\authentication\node_modules\express\lib\router\index.js:317:13)
    at C:\wamp\www\authentication\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (C:\wamp\www\authentication\node_modules\express\lib\router\index.js:335:12)
    at next (C:\wamp\www\authentication\node_modules\express\lib\router\index.js:275:10)
    at urlencodedParser (C:\wamp\www\authentication\node_modules\body-parser\lib\types\urlencoded.js:100:7)
    at Layer.handle [as handle_request] (C:\wamp\www\authentication\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (C:\wamp\www\authentication\node_modules\express\lib\router\index.js:317:13)
    at C:\wamp\www\authentication\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (C:\wamp\www\authentication\node_modules\express\lib\router\index.js:335:12)
    at next (C:\wamp\www\authentication\node_modules\express\lib\router\index.js:275:10)
    at jsonParser (C:\wamp\www\authentication\node_modules\body-parser\lib\types\json.js:119:7)
    at Layer.handle [as handle_request] (C:\wamp\www\authentication\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (C:\wamp\www\authentication\node_modules\express\lib\router\index.js:317:13)
    at C:\wamp\www\authentication\node_modules\express\lib\router\index.js:284:7

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Thanks!