I have no idea how to fix this. But I have to fix it.
ubuntu@ip-172-31-26-151:~$ sudo certbot renew --force-renewal
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Processing /etc/letsencrypt/renewal/leadit.tech.conf
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for leadit.tech
tls-sni-01 challenge for www.leadit.tech
Waiting for verification…
Cleaning up challenges
new certificate deployed without reload, fullchain is
/etc/letsencrypt/live/leadit.tech/fullchain.pem
Processing /etc/letsencrypt/renewal/press.visionwholesaleclub.com.conf
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for app.cgusa.tech
tls-sni-01 challenge for dash.cgusa.tech
tls-sni-01 challenge for leadit.tech
tls-sni-01 challenge for press.visionwholesaleclub.com
tls-sni-01 challenge for www.pvpguild.com
Cleaning up challenges
nginx: [error] invalid PID number “” in "/run/nginx.pid"
Attempting to renew cert (press.visionwholesaleclub.com) from /etc/letsencrypt/renewal/press.visionwholesaleclub.com.conf produced an unexpected error: Cannot find a VirtualHost matching domain app.cgusa.tech… Skipping.
Processing /etc/letsencrypt/renewal/api.myfitnesspoints.com.conf
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for api.myfitnesspoints.com
tls-sni-01 challenge for docs.myfitnesspoints.com
Cleaning up challenges
Attempting to renew cert (api.myfitnesspoints.com) from /etc/letsencrypt/renewal/api.myfitnesspoints.com.conf produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6… Skipping.
Processing /etc/letsencrypt/renewal/www.bossnerds.com.conf
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for www.bossnerds.com
tls-sni-01 challenge for api.bossnerds.com
tls-sni-01 challenge for app.bossnerds.com
tls-sni-01 challenge for bossnerds.com
Cleaning up challenges
Attempting to renew cert (www.bossnerds.com) from /etc/letsencrypt/renewal/www.bossnerds.com.conf produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6… Skipping.
Processing /etc/letsencrypt/renewal/dash.cgusa.tech.conf
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for dash.cgusa.tech
Cleaning up challenges
Attempting to renew cert (dash.cgusa.tech) from /etc/letsencrypt/renewal/dash.cgusa.tech.conf produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6… Skipping.
Processing /etc/letsencrypt/renewal/app.cgusa.tech.conf
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for app.cgusa.tech
Cleaning up challenges
Attempting to renew cert (app.cgusa.tech) from /etc/letsencrypt/renewal/app.cgusa.tech.conf produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6… Skipping.
Processing /etc/letsencrypt/renewal/pvpguild.com.conf
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for pvpguild.com
tls-sni-01 challenge for www.pvpguild.com
Cleaning up challenges
Attempting to renew cert (pvpguild.com) from /etc/letsencrypt/renewal/pvpguild.com.conf produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6… Skipping.
The following certs were successfully renewed:
/etc/letsencrypt/live/leadit.tech/fullchain.pem (success)
The following certs could not be renewed:
/etc/letsencrypt/live/press.visionwholesaleclub.com/fullchain.pem (failure)
/etc/letsencrypt/live/api.myfitnesspoints.com/fullchain.pem (failure)
/etc/letsencrypt/live/www.bossnerds.com/fullchain.pem (failure)
/etc/letsencrypt/live/dash.cgusa.tech/fullchain.pem (failure)
/etc/letsencrypt/live/app.cgusa.tech/fullchain.pem (failure)
/etc/letsencrypt/live/pvpguild.com/fullchain.pem (failure)
6 renew failure(s), 0 parse failure(s)