Problem Creating a New Page from the navigator bar

[pacinofurioso]

My vbulletin forum currently has the following main pages on the navigation bar: FORUMS, BLOGS, ARTICLES, GROUPS. I wanted to create a few more pages, so I went to the navigation bar and added a new one called "REVIEWS". After saving the changes, the navigation button shows up, but when I click on that new button "REVIEWS" it leads me to a blank page that say "Invalid Page URL. If this is an error and the page should exist, please contact the system administrator and tell them how you got this message." Why is this happening? I read another thread where it says you should clear the cache in the admincp and I did this and it still doesn't work.

Also, when I go to adminCP and use the channelmanager, I cant see the new "page" that I created called "REVIEWS" in the channelmanager.

What is the proper way to create a new "page" on the navigation bar. I attached a screen shot and you can see that I created two new navigation buttons, but when you click on the buttons it leads to nowhere.