Hi! I see you're encountering an error message with the Washington Lottery app on your Android device. To help you best, could you please tell me what the exact error message says? Also, is the error appearing during a specific action, like scanning a ticket, logging in, or making a purchase?

Meanwhile, I’ll guide you through some general steps that often resolve common app errors:

1. Restart the App and Device: Close the Washington Lottery app completely (you can force stop it via Settings > Apps > Washington Lottery), then restart your phone.

2. Check for App Updates: Open Google Play Store, search for Washington Lottery, and see if there’s an update available. Running the latest app version helps prevent bugs.

3. Clear App Cache: On your Android 10 device, go to Settings > Apps > Washington Lottery > Storage > Clear Cache. This can remove corrupted temporary files causing app errors.

4. Verify Internet Connection: Ensure your device is connected to a stable Wi-Fi or mobile data network.

5. Reinstall the App: If none of the above help, uninstall the app and reinstall it from the Google Play Store.

If this error happens when scanning a ticket, sometimes the app may not recognize the ticket due to lighting or camera focus issues. Try cleaning your camera lens and retrying the scan in good lighting.

Let me know the specific error message or when it appears, and if you've tried any of these steps already. We can then delve deeper or check for any wider known issues.

Are you able to share more about the issue?