Ability not casting?

When i Spawn an advanced weapon from the "Core Content" in my game and take it with "f"
Nothing is happening when i press my left mouse button ....

The ability is enabled , the Action name set on "Attack" and the object is in the right hand..

Am i doing something wrong ?

Ok the basic "Attack" action name was not set...

I went to Window/Bindings Manager and created it.

Works now !!