I think that might be because of all the failed attempts earlier. You can probably disable letsencrypt, then remove /etc/letsencrypt/live folders and then re-enable/run manually again and I think it should be good
unfortunately that did not help
after deactivating letsencrypt /etc/letsencrypt/live was empty.
after re-enabling it again, letsencrypt was succesfully updated and ../*nc-hostname*-0009 has been created.
few day later… same error on the web interface again.