The “Component auth has not been registered yet” error in React Native with Expo and Firebase Auth is one of those frustrating launch-time gremlins that can stop your app dead in its tracks. If you’re seeing this error splash across your console when your app tries to start, you’re not alone. This issue has plagued … Read more
If you’re building a mobile app with React Native, Expo, and Firebase Authentication, you might encounter the frustrating error: “Component auth has not been registered yet, js engine: hermes” on app launch. This issue often appears after upgrading to Expo SDK 53 or using Firebase’s JavaScript SDK (version 11.x.x or higher). Don’t worry—this comprehensive guide … Read more
If you’re diving into mobile app development with React Native and Expo in 2025, you might hit a frustrating roadblock: the error “Cannot read property ‘config’ of undefined”. Don’t worry—you’re not alone! This error has tripped up many developers, and the good news is it’s fixable. In this guide, we’ll walk you through what this … Read more