You may have found that some users add venues using ROOT as the category for their venue to be listed under. It is the default setting, so they can easily do this. It's annoying, because admin then has to manually choose an appropriate category and edit the listing for them. Here's how to stop users submitting to ROOT. Edit:- packages/yellowpages/category.php Find $categoryId || $categoryId = -1; and change it to $categoryId || $categoryId = 1; Hope you find this useful.