i can't add no youtube video there is not a button

Hi i tried to find this function:

After creating the album and clicking view is its actions pane beside it you can add YouTube videos and or playlists to it. You can also click on add video or playlist action on the album itself to add videos.

but there is not any button or link simply the gallery items and stop why i can’t see the add button? i use wp 3.8.1

Thanks

Davide

https://www.ads-software.com/plugins/utubevideo-gallery/