LetsEncrypt failed authorization process

I am trying to add another domain ( to my SSL certificate, which there are currently one, I get the following error when running sudo certbot certonly --webroot --webroot-path=/var/www/html -d

Failed authorization procedure. (http-01): urn:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from "<html>
<head><title>404 Not Found</title></head>
<body bgcolor="white">
<center><h1>404 Not Found</h1></center>

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@parion Then you need to post your Nginx server block, so we can see where it might go wrong, since you’re doing proxy_passthru to Node.js, but static files should be served by Nginx.

Hi @parion

Is your website root located in /var/www/html for both and ?