How do I debug PropTypes errors in my React application?

I'm getting PropTypes errors in my React app. How can I debug them?

First, check the console for the specific error messages. They usually indicate which component and prop type is causing the issue.

I see an error saying 'Invalid prop name of type number supplied to User, expected string.' What should I do?

This means that the name prop in your User component is being passed a number instead of a string. You should ensure that the value being passed is a string.

How can I enforce the correct prop types in my component?

You can use PropTypes to define the expected types for your props. For example, use User.propTypes = { name: PropTypes.string.isRequired }; to enforce that name must be a string.

What if I want to provide a default value for a prop?

You can use defaultProps to set default values for your props. For example, User.defaultProps = { name: 'Guest' }; will set 'Guest' as the default name.