When adding a new marker, and when a user presses simply the "Submit" button, without even moving the marker, or entering anything to the marker definition fields, the loading of the same category under which the marker was saved next time will produce a stupid note:
[img width=100px height=100px]http://www.kalamies.com/images/igallery/resized/7601-7700/not_found-7694-640-800-80.jpg[/img]
Might be a good idea to add some "if incomplete then not published" or other sanity checks...