Why does the TargetHumanoid not follow the Cuffer?

--//local script//--
local Cuff = script.Parent
local plr = game.Players.LocalPlayer
local char = plr.CharacterAdded:Wait()
local RS = game:GetService("ReplicatedStorage")
local CuffEvent = RS:FindFirstChild("Cuff")
local Handle = Cuff.Handle
local mouse = plr:GetMouse()
local isEquipped = false
local MyHumanoidRootPart = char:FindFirstChild("HumanoidRootPart")
local MyHumanoid = char:FindFirstChild("Humanoid")
local Range = 200


Cuff.Equipped:Connect(function()
    isEquipped = true
end)

Cuff.Unequipped:Connect(function()
    isEquipped = false
end)


mouse.Button1Down:Connect(function()
    if isEquipped then
        local ray = Ray.new(Handle.CFrame.p, (mouse.Hit.p - Handle.CFrame.p).unit * Range)
        local part, position = workspace:FindPartOnRay(ray, plr.Character, false, true)

        if part.Parent:FindFirstChild("Humanoid") or part.Parent.Parent:FindFirstChild("Humanoid") then

        local TargetHumanoid = part.Parent:FindFirstChild("Humanoid") or part.Parent.Parent:FindFirstChild("Humanoid")
        local TargetHumanoidRootPart = TargetHumanoid.Parent:FindFirstChild("HumanoidRootPart")
            CuffEvent:FireServer(TargetHumanoid, MyHumanoidRootPart)

        end
    end
end)

--//server script//--

local RS = game:GetService("ReplicatedStorage")
local CuffEvent = RS:FindFirstChild("Cuff")

CuffEvent.OnServerEvent:Connect(function(plr, TargetHumanoid, MyHumanoidRootPart)
    TargetHumanoid:MoveTo(MyHumanoidRootPart.Position + Vector3.new(0, 10, 0))
end)