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ошибка моей консоли

 [nodemon] restarting due to changes...
[nodemon] starting `node server.js`
Listening on port 3300
D:program filesrealtime-pizza-app-node-express-mongo-masternode_modulesmongodblibutils.js:391
    throw new error_1.MongoNotConnectedError('MongoClient must be connected to perform this operation');
          ^

MongoNotConnectedError: MongoClient must be connected to perform this operation
    at Object.getTopology (D:program filesrealtime-pizza-app-node-express-mongo-masternode_modulesmongodblibutils.js:391:11)
    at Collection.createIndex (D:program filesrealtime-pizza-app-node-express-mongo-masternode_modulesmongodblibcollection.js:258:61)
    at MongoStore.setAutoRemove (D:program filesrealtime-pizza-app-node-express-mongo-masternode_modulesconnect-mongobuildmainlibMongoStore.js:147:35)
    at D:program filesrealtime-pizza-app-node-express-mongo-masternode_modulesconnect-mongobuildmainlibMongoStore.js:128:24
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
[nodemon] app crashed - waiting for file changes before starting...
 

это мое server.js файл, и я не знаю, в чем проблема внутри него

мой server.js файл

 require('dotenv').config()
const express = require('express')
const app = express()
const ejs = require('ejs')
const path = require('path')
const expressLayout = require('express-ejs-layouts')
const PORT = process.env.PORT || 3300
const mongoose = require('mongoose')
const session = require('express-session')
const flash = require('express-flash')
const MongoDbStore = require('connect-mongo')
const passport = require('passport')
const Emitter = require('events')

// Database connection
mongoose.Promise = global.Promise;
(async function(){
await mongoose.connect(process.env.MONGO_CONNECTION_URI, {  useNewUrlParser: true,
    useUnifiedTopology: true})
})();


// Session store
// const mongoStore = new MongoDbStore({
//                 client:connection.getClient(),
//                 collectionName: 'sessions'
//             })

// Event emitter
const eventEmitter = new Emitter()
app.set('eventEmitter', eventEmitter)

const clientPromise = Promise.resolve(mongoose.connection.getClient());
// clientPromise = new Promise(function (resolve, reject) {
//     resolve(mongoose.connection.getClient())
//     reject(new Error('MongoClient Error'))
//   })

// Session config
app.use(session({
    secret: process.env.COOKIE_SECRET,
    resave: false,
    store:MongoDbStore.create({
        client:mongoose.connection.getClient('process.env.MONGO_CONNECTION_URI') ,
        clientPromise,
        // mongoUrl:"process.env.MONGO_CONNECTION_URL"
    }),
    saveUninitialized: false,
    cookie: { maxAge: 1000 * 60 * 60 * 24 } // 24 hour
}))

// Passport config
const passportInit = require('./app/config/passport')
passportInit(passport)
app.use(passport.initialize())
app.use(passport.session())

app.use(flash())
// Assets
app.use(express.static('public'))
app.use(express.urlencoded({ extended: false }))
app.use(express.json())

// Global middleware
app.use((req, res, next) => {
    res.locals.session = req.session
    res.locals.user = req.user
    next()
})
// set Template engine
app.use(expressLayout)
app.set('views', path.join(__dirname, '/resources/views'))
app.set('view engine', 'ejs')

require('./routes/web')(app)
app.use((req, res) => {
    res.status(404).render('errors/404')
})

const server = app.listen(PORT , () => {
            console.log(`Listening on port ${PORT}`)
        })

// Socket

const io = require('socket.io')(server)
io.on('connection', (socket) => {
      // Join
      socket.on('join', (orderId) => {
        socket.join(orderId)
      })
})

eventEmitter.on('orderUpdated', (data) => {
    io.to(`order_${data.id}`).emit('orderUpdated', data)
})

eventEmitter.on('orderPlaced', (data) => {
    io.to('adminRoom').emit('orderPlaced', data)
})
 

я не знаю, почему я получаю эту ошибку, и я нигде не нашел решения этой ошибки, пожалуйста, помогите мне, если у вас есть какие-либо идеи об этой ошибке, я ценю вашу помощь, спасибо, что помогли мне заранее