Cleaning up challenges Some challenges have failed. Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details

rg305 · September 21, 2022, 8:35pm

Your site is on Heroku, which already provided a cert for it (under their domain):

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