react-native
React Navigation routing error
Cannot.*navigate.*unmounted|navigation.*undefined|No route.*named
Fixes
- 1.Ensure NavigationContainer wraps the entire app at root level
- 2.Check route names match exactly between navigator definition and navigate() calls
- 3.Don't navigate from unmounted components — check isFocused or use useFocusEffect
react-nativenavigationreact-navigation
Related Errors
react-native3 fixes
Metro bundler crash or port conflict
Metro.*error|metro bundler.*crashed|EADDRINUSE.*8081
- •Kill existing Metro process: npx kill-port 8081
- •Clear Metro cache: npx react-native start --reset-cache
react-native3 fixes
React Native native module not found
Native module.*cannot be null|TurboModuleRegistry.*not found|NativeModules.*undefined
- •Run npx pod-install (iOS) or rebuild the project after adding native deps
- •For New Architecture, ensure the module implements TurboModule interface
react-native3 fixes
React Native Android Gradle build failure
Gradle.*BUILD FAILED|execution failed for task.*:app:
- •Run cd android && ./gradlew clean then rebuild
- •Check android/gradle.properties for JVM memory: org.gradle.jvmargs=-Xmx4g