Hi there! I see you're encountering an "unknown server error" when using the Revel app. Let's get this sorted out for you. To start, can you tell me a bit more about when this error pops up? For example, is it right after logging in, when accessing a certain section, or while performing a specific action?

In the meantime, here are some general steps we can try to address this:

1. Check Internet Connection: Make sure your device is connected to a stable internet network. Sometimes intermittent connections can cause server errors.

2. Clear Browser Cache and Cookies: If you're accessing Revel via a web browser on your Windows 10 system, clearing cached data can help remove corrupted files that might trigger this error.
- In your browser settings, find the option for clearing browsing data.
- Select cookies and cached images/files.
- Restart the browser and try again.

3. Try a Different Browser or Device: This can help determine if the issue is browser-specific.

4. Check for Service Status: Sometimes Revel's servers might be down or experiencing issues. You can check for current service outages on sites like StatusGator or IsDown, which occasionally report Revel server problems.

5. Update Your Software: Ensure your browser and OS are up to date to avoid compatibility problems.

If you’ve tried these or if the problem persists despite these steps, let me know. I can then guide you through more detailed troubleshooting or escalate as needed.

Could you please confirm if you are using the Revel app on Windows 10 directly or via a browser, and any other details about when this issue happens?