I have been following the PKB setup guide to the letter and have verified that my Category Group unique name and Category Root unique name are correct and active. Yet, I am still getting the following error when going to the PKB site. Does anyone have a solution to this issue?

https://sites.secure.force.com/appexchange/listingDetail?listingId=a0N30000001gFH9EAM

Error: The PKB Site Setup is not configured correctly. Please verify that the category group name is correct and that the group is active.