Why can't I get the 5 free lives? I click on the message

Where are you seeing this message for 5 free lives?

It comes as a notification, and it reads: "Farm Heroes Saga: Hey, Kovács Ferenczi.Try to pass your friends on the map with these 5 FREE LIVES. Click here."All other notifications that come from Farm heroes all always ok, when it notifies me that someone sent me a life of they ask for something, but these 5 free lives are just never there.