Çözüldü Express ile MongoDb bağlantısı yapılırken hata alınıyor

import express from "express";
import {PORT,mongoDBURL} from "./config.js";
import mongoose from "mongoose";

const app = express();

app.get('/',(request , response) => {
    response.send("App is running");
});

mongoose.connect(mongoDBURL)
.then(() => {
    console.log("Connection successful");
    app.listen(PORT,() => {
        console.log(`App is running on ${PORT}`);
    });
})
.catch((error) => {
    console.log(error);
})