It's a ongoing issue, which like Jeff said, you can ignore if everything is working ok.
I had a similar issue some time back, and asked the same question, http://forum.coppermine-gallery.net/index.php/topic,68490.0.html
I had a similar issue some time back, and asked the same question, http://forum.coppermine-gallery.net/index.php/topic,68490.0.html