Saving debug log to /var/log/letsencrypt/letsencrypt.log
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for stwalkerster.co.uk
http-01 challenge for phabricator.stwalkerster.co.uk
Using the webroot path /var/www/stwalkerster.co.uk for all unmatched domains.
Waiting for verification...
Cleaning up challenges
Failed authorization procedure. phabricator.stwalkerster.co.uk (http-01): urn:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://phabricator.stwalkerster.co.uk/.well-known/acme-challenge/d84xY_zk3B6cP4Itv-WLbJ94ZNXU3irLCEam9Yd1Xcs: "<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p"
IMPORTANT NOTES:
- The following errors were reported by the server: