How to fix 500 error from upstream?

[mmotk2016]

This my log:

Code: Select all

2017/09/15 13:56:28 [error] 1920#1920: *13 upstream sent too big header while reading response header from upstream, client: 127.0.0.1, server: domain.local, request: "POST /phpmyadmin/import.php HTTP/1.1", upstream: "http://192.168.1.10:8080/phpmyadmin/import.php", host: "domain.local"

Admin or someone can help me fix this? Guide step by step the better! I would like to thank you very much !!!