How do I fix the error in my React app?

I'm getting a 'TypeError: Cannot read property of undefined' in my React app. What should I do?

This error usually occurs when you're trying to access a property of an object that hasn't been defined. Can you share the code snippet where this error occurs?

Sure, here's the code: const user = this.state.user; console.log(user.name);.

It looks like this.state.user might be undefined. You should check if the user is being set correctly in your state before accessing its properties.

How can I ensure that the user is defined before accessing it?

You can use optional chaining like this: console.log(user?.name); or add a conditional check before accessing the property.