How To Fix 502 Bad Gateway ErrorYou visit your website, and wait for it to load…but you see nothing but a message: 502 Bad Gateway. Lucky for you, this post explains what a 502 Bad Gateway error is, what causes it, and what you need to do to fix it. Variations of the 501 Not Implemented Error502 Bad Gateway502 Service Temporarily OverloadedError 502Temporary Error (502)502 Proxy Error502 Server Error: The server encountered a temporary error and could not complete your requestHTTP 502Bad Gateway: The proxy server received an invalid response from an upstream serverHTTP Error 502: Bad GatewayHow To Fix the 502 Bad Gateway ErrorSeveral issues can return a 502 Bad Gateway error, so fixing it will take some time, patience, and a systematic approach. Faulty ProgrammingAn error in server-side scripting or a programming mistake can also trigger a 502 Bad Gateway Error. Keep this guide in mind the next time you see that error message of “502: Bad Gateway Error” to effectively solve this problem on your website.