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My domain is: audio.phoncert.com
I ran this command: sudo letsencrypt renew
It produced this output:Processing /etc/letsencrypt/renewal/audio.phoncert.com.conf
2017-07-12 17:03:41,541:WARNING:letsencrypt.cli:Attempting to renew cert from /etc/letsencrypt/renewal/audio.phoncert.com.conf produced an unexpected error: Failed authorization procedure. audio.phoncert.com (http-01): urn:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://audio.phoncert.com/.well-known/acme-challenge/-6ExySvl3Kig406lyXxsh1JrEtxhDtaiR7pQxvS3tV0: "
404 Not Found
My web server is (include version): nginx
The operating system my web server runs on is (include version): ubuntu 16.04
My hosting provider, if applicable, is: AWS
I can login to a root shell on my machine (yes or no, or I don’t know): yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): yes AWS ec2