USER as default front page

When setting USER as the default front page, this error occurs:

Invalid at the top level of the document. Error processing resource 'http://netgold.__.__/___/index.php'. Line 1, Position 1 (Comment: Sorry, defaced the URL - the site is not live yet - will give the correct URL to specific individuals, if needed)

warning: Invalid argument supplied for foreach() in /usr/www/users/netgold/netgold.__.__/___/modules/profile.module on line 172.<?xml version="1.0" encoding="iso-8859-1"?>
^

Doesn't really bother me, as I was only playing around and wasn't going to set USER as my startpage anyways, but it is a bug as far as I can tell.

Regards,

Kobus