I use WordPress to publish an online magazine. Works reaaaaly well.
Now, I have the plugin Top Level Categories installed. It's essential to the way I've structured my site. What the plugin does is it turns yoursite.com/category/catname into yoursite.com/catname.
Upgraded to WP 2.5. Plugin works great. Functions like it should. Except, whenever I go to say, yoursite.com/catname, this shows up on top of the page, before the content:
Warning: Invalid argument supplied for foreach() in .../wp-includes/query.php on line 683.
When I deactivate the plugin and I go to yousite.com/category/catname, the warning doesn't show. And, even when the plugin's activated, the warning doesn't show on pages that aren't stripped of the /category/ base (i.e. yoursite.com/03/03/03/hello-world).
So it's definitely the plugin and 2.5.
Anyone got ideas?