Failed to fetch server variables. HTTP 502

[adt]

Hi I have a reverse proxy set up on my server and it’s been absolutely fine until today.

IP is running fine, and I can connect to the server using the f8 connect domain & also with the ip.

It’s just the server listing connect page that seems to not be working.

I get the following error in my console upon server starting:
Failed to fetch server variables HTTP 502
Can someone help me ,

[system]

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