I want to know how to fix compile error of leapmotion

Since I am a Japanese college student , I’m not good at English, so I’m sorry if it is difficult for you to understand my English.

I can’t use Leapmotion in UE4 , because compile error.

I tried this way .

But, I push Play Button,This is displayed ↓

" One or more blueprints has an unresolved compiler error, are you sure you want to Play in Editor?
AnimBodyInterface
DebugHandUtility
LeapAnimBodyConnector
LeapComponentFinger
LeapComponentHand
LeapHandsActorBase
LeapComponentHandsActor
LeapAnimBodyConnectorWithPassthrough
LeapBasicRiggedCharacter
BasicCharacter_AnimBlueprint
LeapEchoImageHands_AnimBlueprint
LeapEchoHands_AnimBlueprint
[YES] or [NO]
"

When I pressed [YES].
Game is start,but my hands are not come out in.

please tell me what I do.