Technorati reports db error

I’m using WP 1.5 with Jerome’s Keywords plugin. Everything seems cool with one minor problem. When I look at Technorati for one of my tags, the links and post title are fine, but the excerpt says:

WordPress database error: [You have an error in your SQL syntax near ” at line 1] SELECT category_nicename FROM wp_categories WHERE cat_ID= This has…

I don’t know if this is a problem with WP, the plugin, or Technorati. Anybody else seen this or have any ideas of how to troubleshoot?

Thanks!