[djbaxter]

Originally Posted by 711

Fixed it. It seems the problem was being caused by session variables.

For others who might notice the same issue, simply add the following line near the top of 404_forums.php:

define('SKIP_SESSIONCREATE', 1);

That doesn't necessarily fix the problem and what it definitely will do is make your members who reach the error page think they've been logged out when in fact they're still logged in.