Classifieds automatically drafting published adds

We've recently noticed that the classifieds plugin seems to be automatically drafting adds after they've been published. The adds aren't being published with an expiration and some adds aren't being affected. The adds that are affected are being drafted within a day of being published. Has anybody noticed the same problem or have any suggestions?
I've disabled all other plugins and I'm using the twenty eleven theme with version 2.2.2.4 of the plugin.