TypeError: Cannot read properties of undefined (reading 'startsWith')

Working with Data Connectors & Integrations
8 
Error: Cannot read properties of undefined (reading 'connection')
[nodemon] app crashed - waiting for file changes before starting...

const mongoose = require("mongoose");
const connectDB = async () => {
  const conn = await mongoose
    .connect(process.env.MONGO_URI, {
      useNewUrlParser: true,
      useUnifiedTopology: true,
    })
    .catch((err) => {
      console.log("error: ", err);
    });

  console.log(`Mongoose Connected: ${conn.connection.host}`.cyan.underline.bold);
};

module.exports = connectDB;