I tried to create an account and get a message that the reCAPTCHA is incorrectly configured (ERROR for site owner: Invalid site key). The URL for sign-ups in t

I tried to create an account and get a message that the reCAPTCHA is incorrectly configured (ERROR for site owner: Invalid site key). The URL for sign-ups in the FAQ is different than the one listed here but if you try to sign up on that server it says that registrations have been disabled.