Attempting to renew cert produced an unexpected error: The nginx plugin is not working; there may be problems with your existing configuration. The error was: NoInstallationError(). Skipping

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[Unit]
Description=A high performance web server and a reverse proxy server
After=network.target

[Service]
Type=forking
PIDFile=/run/nginx.pid
ExecStartPre=/usr/sbin/nginx -t -q -g 'daemon on; master_process on;'
ExecStart=/usr/sbin/nginx -g 'daemon on; master_process on;'
ExecReload=/usr/sbin/nginx -g 'daemon on; master_process on;' -s reload
ExecStop=-/sbin/start-stop-daemon --quiet --stop --retry QUIT/5 --pidfile /run/ng$
TimeoutStopSec=5
KillMode=mixed

[Install]
WantedBy=multi-user.target