please be more specific when you say "server errors"

Apologies, when going to the url, I get "Application failed to respond" I see no error logs on the console. It's got the exact same build as a dev which is working fine. Only difference I can see if that it's using replicas.

Some requests seem to come through but then it fails again. I'm attempting to rebuild and see if that fixes anything

Can confirm the rebuild fixed it for now. Not sure what happened there.