Your supposed to get 5 cheese chunks, but after the 4th one, the 5th chunk doesn't appear even after 2 go rounds. I saw the same question with level 418. I do have the latest version.
Do you have the game connected to Facebook? If yes then try playing the level there. Once completed your progress is synced back to your device and you can now continue from the next level.
Do you have the game connected to Facebook? If yes then try playing the level there. Once completed your progress is synced back to your device and you can now continue from the next level.