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
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
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