Maya7 Bevel doesnt work for this Object

[superfrog]

Hi Guys

Here is the attached image for what i am working on using the Ultimax Apocalypse tutorial. Here is the image

Before Bevel Image

When i hit the Bevel button for this whole Object nothing happens. You can easily see that the Pivot is centered inside the base body. Its not in the open area but the problem is that nothing happends.

I have checked the documentation and it says that the only time it doesnt work is when you you have your Pivot point outside the surface but thats not the case here. Any one has any clue ? i cant use Triangulate or Split Polygon Tool in this case because i am sure Bevel has a different purpose here, that is to smooth the edges and still be able to modify the object at later times.