WPMU Dev Dashboard - Invalid Argument

Just created a brand new site and installed WP 3.5. first task, as always, install WPMU Dev Dashboard (3.2.2)

When I click on Plugins on the Dashboard it shows "No Results" and the following...

Warning: Invalid argument supplied for foreach() in {my path removed} /wp-content/plugins/wpmudev-updates/update-notifications.php on line 1859