What are some common errors in the MERN stack?

What are some common errors I might encounter while working with the MERN stack?

Some common errors include issues with MongoDB connection, CORS errors, and problems with state management in React.

Can you explain how to fix CORS errors?

To fix CORS errors, you can use the 'cors' middleware in your Express app. Just install it and add it to your app.

What about MongoDB connection issues?

For MongoDB connection issues, ensure your connection string is correct and that your MongoDB server is running.

Any tips for managing state in React?

Using tools like Redux or Context API can help manage state effectively in larger applications.