How do I fix “web server is returning an unknown error” issue quickly?

[Author Anshul]

I am facing this error- web server is returning an unknown error. Even the server doesn't know about the error. How can I fix this issue without breaking it and quickly?

 

[robertwilliam]

To quickly fix a "web server is returning an unknown error" issue, which is often indicated by a Cloudflare error 520, try these steps: clear browser cache and cookies, ensure your origin server is running and configured correctly, check your Cloudflare DNS settings, and restart the web server.

 

[niyati]

Usually, the issue “web server is giving an error that is unknown” can be quickly repaired:

Either refresh the page or use a different web browser.

Clear the stored cache and cookies on your computer.

Look at the status page of the server or hosting provider.

Go through the error logs on your server.

Turn the server or related services off and then on again.

 

[lucky]

To quickly fix the “web server is returning an unknown error” issue, start by clearing your browser cache and cookies. Refresh the page or try accessing it from a different browser or device. If you're the site owner, check your server logs for errors, restart your server, and ensure all server-side scripts are functioning properly. Contact your hosting provider if the issue persists or is unclear.

 

[Peaky Blinders]

To quickly fix the “web server is returning an unknown error,” clear your browser cache, check server logs, restart the server, and verify DNS settings. If it persists, contact your hosting provider to diagnose server configuration or firewall issues.