In my opinion, support for the Dark Community has died. On this appeal here.

Why does such an error appear? How can I fix it?

2020/01/04 12:44:44 [warn] 10778#10778: *12088758 an upstream response is buffered to a temporary file /var/cache/nginx/proxy_temp/7/29/0000038297 while reading upstream, client: , server: , request: "GET /ow_static/themes/darkcommunity/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.1 HTTP/1.1", upstream: "/ow_static/themes/darkcommunity/fonts/fontawesome/fontawesome-webfont.woff2?v=4.6.1", host: "", referrer: "/ow_static/themes/darkcommunity/base.css?ryR1waXa"