Cube Doesnt Wanna Go To Random Location Help?

i Was Trying To Make A Pile Of Sand Go To A Different Place Every Time You Press In It But It Doesnt Work It Just Sends Me This Error:

Players.RacerDreng.Backpack.MetalDetector.LocalScript:7: invalid argument #2 to 'random' (interval is empty)

And This Is My Script:

local mouse = game.Players.LocalPlayer:GetMouse()

mouse.Button1Down:Connect(function()
    if mouse.Target.Name == "Treasure" then
        local Z = math.random(22.5,45.5)
        print(Z)
        local X = math.random(74.5,24.5)
        print(X)
        mouse.Target.Position = Vector3.new(X,mouse.Target.Position.Y,Z)
        print(mouse.Target.Position)
    end
end)

it is in a local script BTW

Please Help.