Assets/LeapMotion/Modules/Hands/Scripts/LeapHandsAutoRig.cs(19,13): error CS0246: The type or namespace name `HandModelManager' could not be found. Are you missing an assembly reference? Any help?

[bentaleb_ahmed]

Assets/LeapMotion/Modules/Hands/Scripts/LeapHandsAutoRig.cs(19,13): error CS0246: The type or namespace name `HandModelManager' could not be found. Are you missing an assembly reference?
What should i do ?

[AlexColgan]

Can you share what version of Unity, the Leap Motion software, and the Leap Motion Core Unity Assets you're using?