As the other post is solved, I open a new one with my bug.
So i completed all survivals, without loosing a single ninja. I sweeped and was able to claim the 4 firsts missions but not the 3 lasts ones.
Here are the screenshots :
https://s16.postimg.org/wge659tjp/bug1.jpg
https://s16.postimg.org/572sqrsgl/bug2.jpg
https://s16.postimg.org/*zmgtyad/bug3.jpg