API.subscribe is undefined in @react-navigation/native useFocusEffect

The error message suggests that the function API.subscribe is not defined in the @react-navigation/native package when using the useFocusEffect hook.

Related articles:

API.subscribe is Undefined in @react-navigation/native UseFocusEffect
If you are a React Native developer and you have encountered the error message "API.subscribe is Undefined in @react-navigation/native UseFocusEffect", then this article is for you. In this article, we will discuss what this error means, what causes it, and how to fix it.

API.subscribe is Undefined
API.subscribe is a programming function that is commonly used in web development to subscribe to an application programming interface (API) and receive updates from it. However, in some cases, the API.subscribe function can be undefined, causing errors in the application.

API.subscribe is Undefined in UseFocusEffect
When working with React Native applications, you may come across an error message that says "API.subscribe is undefined in useFocusEffect". This error can be frustrating and intimidating, especially if you're not sure what it means or how to fix it. In this article, we'll explore what this error message means, why it occurs, and how to resolve it.