Nginx Proxy Manager unable to renew certificate / parse failure

Hey all, I’ve had a working NPM set-up for a while now, on HA supervised on RPi4 connected via ethernet. Recently, my NPM GUI proxy disappeared, so I uninstalled and reinstalled the add-on, but now I am having issues accessing my external URL. I get a ‘Deceptive site ahead’ warning, as the certificate doesn’t appear to be valid.

I can confirm nothing else changed from when it was working before, only reinstalling the addon. Ports are correctly forwarded and MariaDB is properly configured.

The log I am seeing gives me:

[9/7/2022] [10:59:24 AM] [SSL      ] › ✖  error     Error: Command failed: certbot renew --non-interactive --quiet --config "/etc/letsencrypt.ini" --preferred-challenges "dns,http" --disable-hook-validation  
Renewal configuration file /etc/letsencrypt/renewal/npm-1.conf is broken.
The error was: expected /etc/letsencrypt/live/npm-1/cert.pem to be a symlink
Skipping.
Renewal configuration file /etc/letsencrypt/renewal/npm-2.conf is broken.
The error was: expected /etc/letsencrypt/live/npm-2/cert.pem to be a symlink
Skipping.
Renewal configuration file /etc/letsencrypt/renewal/npm-26.conf is broken.
The error was: expected /etc/letsencrypt/live/npm-26/cert.pem to be a symlink
Skipping.
0 renew failure(s), 3 parse failure(s)
    at ChildProcess.exithandler (node:child_process:398:12)
    at ChildProcess.emit (node:events:527:28)
    at maybeClose (node:internal/child_process:1092:16)
    at Process.ChildProcess._handle.onexit (node:internal/child_process:302:5)

I assume that my prior NPM settings are still somewhere. I tried deleting the ssl/nginxproxymanger folder, so that it gets recreated, but that didnt help. Any assistance would be really helpful!