I am new to Blender and I have difficults with bridge faces.

When I select the faces, and insert them, it works fine. But when I choose the *Bridge faces* option, it doesn't appear. 

I get a message *Select more than one Edge*, so I try it by selecting the edges, but it doesn't work either.

Sometimes even only the faces I select are removed.

[<img src="https://blend-exchange.com/embedImage.png?bid=nKVN2J6y" />](https://blend-exchange.com/b/nKVN2J6y/)