If the Sleeper app is not updating scores on the matchup screen, follow these steps to troubleshoot and resolve the issue:

1. Check Internet Connection
Ensure that your device has a stable internet connection. A weak or intermittent connection can prevent the app from updating scores.

2. Refresh the App
Close the Sleeper app completely and then reopen it. Sometimes, simply restarting the app can prompt it to refresh the data.

3. Navigate to a Different Screen
Switch to a different screen (such as your league overview) and then return to the matchup screen. This can trigger a refresh of the scores.

4. Update the App
Verify if there is an available update for the Sleeper app. Outdated versions may contain bugs that affect performance. Update the app via the App Store or Google Play Store.

5. Clear Cache
On mobile devices, go to settings, find the Sleeper app, and clear its cache. This can help resolve issues stemming from corrupted data.

6. Reinstall the App
If the above steps do not yield results, uninstall the app and then reinstall it. This ensures you get the latest version and can fix underlying issues.

7. Check for Scheduled Maintenance
Sometimes the app might be down for maintenance or updates. Check Sleeper’s social media pages or support channels for any announcements related to issues or maintenance schedules.

8. Reach Out to Support
If problems persist, contact Sleeper's support team. Provide them with a detailed description of the issue.

9. Stay Informed via Community Feedback
Community discussions often highlight widespread issues. Check forums like Reddit, where users share their experiences and solutions. Recent threads might indicate whether this issue is being faced by many learn more - learn more.

By following these steps, you should be able to resolve the issue of the Sleeper app not updating scores on the matchup screen.