Unable to renew certificate "The client lacks sufficient authorization"

Sure thing. Here is my output for that command:

f: /var/lib/letsencrypt/backups
drwxr-xr-x root root /
drwxr-xr-x root root var
drwxr-xr-x root root lib
drwxr-xr-x root root letsencrypt
drwxr-xr-x root root backups
f: /var/lib/letsencrypt/http_challenges
drwxr-xr-x root root /
drwxr-xr-x root root var
drwxr-xr-x root root lib
drwxr-xr-x root root letsencrypt
drwxr-xr-x root root http_challenges