The 502 Bad Gateway error displays inside the Internet browser window. The 502 Bad Gateway error is an HTTP status code it means that one server received an invalid response from another server that it was accessing while attempting to load the web page or fill another request by the browser.
The 502 Bad Gateway error is usually a network error between servers on the Internet, meaning the problem is not with your PC or Internet connection. Even though the issue is not yours to troubleshoot or resolve, there are a few things you can do:
1. Even though the 502 Bad Gateway error is reporting a networking error outside of your control, the error may only be temporary. Trying the page again will often be successful.
2. You can try again later. Since the 502 Bad Gateway error message is an issue with the web site's network, everyone visiting this site is probably experiencing the same problem as you. Chances are an issue like that has already been brought to the attention of an administrator at the web site and someone is working to resolve it.
3. If you can't wait any longer for the problem to be resolved or if this is your business site, you may want to attempt to contact the webmaster or another website contact yourself and advise them of the 502 Bad Gateway error you are receiving. The webmaster of most Internet sites can be reached via email at email@example.com, replacing website.com with the actual website name.