Maybe @sahsanu's post could have been more explicit on this point:
... if your certbot version is older than that, your version of certbot is completely incapable of requesting a wildcard certificate and needs to be upgraded to a newer version.
Maybe @sahsanu's post could have been more explicit on this point:
... if your certbot version is older than that, your version of certbot is completely incapable of requesting a wildcard certificate and needs to be upgraded to a newer version.