Thread:Extension talk:Phpbb Single Sign-On/Fatal error: Class ' user' not found in /home/mijunkin/public html/example.com/forum/includes/session.php on line 1501/reply

This is the error I'm getting, too, although now it's on a different line:

Fatal error: Class '__user' not found in D:\wamp\www\phpbb\includes\session.php on line 1507

Mediawiki 1.23.5 phpBB 3.0.12

Google is not bringing up anything but this page. Any help out there?