NullIndex.php Redirect

Using JFBconnect, and I do not have any redirects set in the login module, nor in the extension config.

When logged out of FB, the page loads, and is fine.

If you are already logged into FB, or login. The site it automatically is redirected to:
nullindex.php?option=com_jfbconnect&task=loginFacebookUser&return=null&cb=1340830585507

Not Found
The requested URL /nullindex.php was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

Note, while changing the URL, as I suspected "null" is getting inserted into the query string (NULLindex.php). When I remove 'null' from the string it redirects to the correct user account registration page.

/index.php/component/jfbconnect/?view=loginregister&return=null

Then, it appears this page is looping with the Facebook API connection.

Still no way to figure out why or how "Null" is getting inserted in the redirect.

Appears the 'null' is coming from the

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