Please upgrade to 2.3 here.
The 2.2 and earlier branches are no longer being updated.
ProxyConnect SSO not working
I have been trying to get SSO working on my site hosted by GoDaddy, but I can't seem to finish it. In the authenticate settings I've added everything correctly, but the auth.php page is not called (I know this, because no e-mail is send to my e-mail address). My auth.php page returns the following:
Why doesn't this work?