Forum:Template variable default problem

Ok i have this template i put on Wikia:Sandbox

Now my issue is that im using  supposedly if nothing is put on elemento it should appear N/A.

So if i type this: This happends:

As you can see the N/A did not appear...

In order for me to work i need to completely remove the " " line and i get my result as i wanted like this:

Any one know why it's not working like it use to? --