I posted below on my forum but it never make its way over to here:
****
I think this is a virgin letsyncrypt.ini file. Back-up your other one and put this in your CTRL folder and run the configuration for letsyncrypt. It should be like you didn't have one before and should create a brand new one for ya. You will have to change the TOSAgreed to true. Hopefully this will fix it.
----- BELOW -----
; For use with exec/letsyncrypt.js
; See
http://wiki.synchro.net/module:letsyncrypt for details
Host = acme-v02.api.letsencrypt.org
Directory = /directory
TOSAgreed = false
GroupReadableKeyFile = false
[Domains]
[key_id]
[State]
----- ABOVE -----