Account with letsencrypt


I have install the letsencrypt wordpress plugin, when i click create accotn, said Let’s Encrypt: Registration key is already in use, and i dont have one yet ni this site…any one can help.?? thanks.

This is the site: Zabalaaldia


This is a known issue with WP-Encrypt, discussed here:

WP-Encrypt is no longer maintained. Please consider an alternative solution for encrypting your site.