I've tried so hard to fix the problem by myself, but I'm not able to do that. When I move one of the control bones, weird things happen. I've checked more than once the video and also the PDF, but the parenting, the constraints, etc., are in the right place. It seems like the body is no more attached to the armature. I don't know what I'm missing.
(I wish the link work)
file:///C:/Users/paolo/OneDrive/Documenti/_%20Luna%20Rig%20%20[C__Users_paolo_OneDrive_Documenti_Luna%20Rig%20.blend]%20-%20Blender%204.3.0%202025-02-14%2009-54-00.mp4