Solution Steps

1. Force close and reopen the app: Swipe up from bottom → Swipe up on app.
2. Restart iPhone: Hold Side button + Volume Down → Power off.
3. Update the app: App Store → Updates → Update app.
4. Update iOS: Settings → General → Software Update.
5. Delete and reinstall the app.
6. Check app compatibility with your iOS version.
7. Free up storage space (low storage can cause crashes).