Can Someone Tell me Why this tool/Script is Client Sided Only?

bin = script.Parent
me = script.Parent.Parent.Parent
Player = game.Players.LocalPlayer
Character = Player.Character

enabled = true

function onButton1Down(mouse)
if not enabled then
		return
	end

	local player = game.Players.LocalPlayer
	if player == nil then return end

      

      enabled = false

game:GetService("Chat"):Chat(me.Character.Head, "Golden Dust: Drill!")
script.Parent.Jutsu:Play()
game.Players.LocalPlayer.PlayerGui.Chakra.Clock.Value=game.Players.LocalPlayer.PlayerGui.Chakra.Clock.Value -250
wait(0.01)
Character.Torso.Anchored = false
wait(0.1)

Character.Humanoid.Name = "Humanoid2"

		x = Instance.new("Part")
		x.BrickColor = BrickColor.new("Bright yellow")
		x.Size = Vector3.new(80,1,80)
		x.TopSurface = "Smooth"
		x.BottomSurface = "Smooth"
		x.Shape = "Block"
		x.Name = me.Name
		x.CanCollide = false
		x.Transparency = 0
		x.Material = "Sand"
		fd = script.Fall:clone()
		fd.Parent = x
		m = Instance.new("CylinderMesh")
		m.Parent = x
		sd = script.Firedamage:clone()
		sd.Parent = x
		x.Anchored = true
		y = Instance.new("BodyVelocity")
		y.maxForce = Vector3.new(math.huge, math.huge, math.huge)
		y.velocity = me.Character.Torso.CFrame.lookVector*0
		x.Parent = Workspace
		y.Parent = x
		x.CFrame = me.Character.Torso.CFrame*CFrame.new(0,-2, -50)
		game.Debris:AddItem(x, 5)
		x = Instance.new("Part")
		x.BrickColor = BrickColor.new("Bright yellow")
		x.Size = Vector3.new(80,100,80)
		x.TopSurface = "Smooth"
		x.BottomSurface = "Smooth"
		x.Shape = "Block"
		x.Name = me.Name
		x.CanCollide = false
		x.Transparency = 0
		x.Material = "Sand"
		fd = script.Fall:clone()
		fd.Parent = x
        m = Instance.new("SpecialMesh")
        m.Parent = x
        m.MeshType = "FileMesh"
        m.MeshId = "http://www.roblox.com/asset/?id=1323306"
        m.Scale = Vector3.new(30, 10, 30)
		sd = script.Firedamage:clone()
		sd.Parent = x
		x.Anchored = true
		y = Instance.new("BodyVelocity")
		y.maxForce = Vector3.new(math.huge, math.huge, math.huge)
		y.velocity = me.Character.Torso.CFrame.lookVector*0
		x.Parent = Workspace
		y.Parent = x
		x.CFrame = me.Character.Torso.CFrame*CFrame.new(0,0, -50)
		game.Debris:AddItem(x, 5)
		x = Instance.new("Part")
		x.BrickColor = BrickColor.new("Bright yellow")
		x.Size = Vector3.new(50,100,50)
		x.TopSurface = "Smooth"
		x.BottomSurface = "Smooth"
		x.Shape = "Block"
		x.Name = me.Name
		x.CanCollide = false
		x.Transparency = 0
		x.Material = "Sand"
		fd = script.Fall:clone()
		fd.Parent = x
        m = Instance.new("SpecialMesh")
        m.Parent = x
        m.MeshType = "FileMesh"
        m.MeshId = "http://www.roblox.com/asset/?id=102638417"
        m.Scale = Vector3.new(-30.3, 30.3, -30.3)
		ed = script.Ignition:clone()
		ed.Parent = x
		hd = script.Animate:clone()
		hd.Parent = x
		sd = script.Firedamage:clone()
		sd.Parent = x
		x.Anchored = true
		y = Instance.new("BodyVelocity")
		y.maxForce = Vector3.new(math.huge, math.huge, math.huge)
		y.velocity = me.Character.Torso.CFrame.lookVector*0
		x.Parent = Workspace
		y.Parent = x
		x.CFrame = me.Character.Torso.CFrame*CFrame.new(0,20, -50)
		game.Debris:AddItem(x, 5)

wait(5)
Character.Humanoid2.Name = "Humanoid"
Character.Torso.Anchored = false





      wait(35)

enabled = true
	end

      

enabled = true
function onS(mouse) 
mouse.Button1Down:connect(function() onButton1Down(mouse) end) 
end 
bin.Selected:connect(onS)

It's because it uses LocalPlayer. LocalPlayer can't be accessed from the Server.