Error on user page right after install

Error:

* : Object of class stdClass could not be converted to string in W:\www\modules\favorite_nodes\favorite_nodes.module on line 92.
* : Object of class stdClass could not be converted to string in W:\www\modules\favorite_nodes\favorite_nodes.module on line 92.

Fix: Comment out line 92, like so:

// natcasesort($node_types);