What this means
This error appears when the pairing keys stored in the Phyn app are outdated. The app needs an active internet connection to retrieve fresh pairing keys before continuing setup.
How to fix it
Uninstall the Phyn app from your phone.
Download and reinstall the Phyn app from the App Store or Google Play Store.
Open the app and make sure your phone is connected to the internet.
Restart the pairing process.
After reinstalling the app, the error message should no longer appear and pairing should complete successfully.