Tool scripts just break when i change its parent

[kalersmot123 (Stashed)]

so i’m making a shop system but for some reason when i parent the tool to player backpack it just breaks, it works perfectly fine when i put parent to starterPack but i don’t want player to reset just to get a tool

https://streamable.com/0dijzb

Client:

wait(game.Loaded)

--//Services
local Tween_Service = game:GetService("TweenService")
local Replicated_Storage = game:GetService("ReplicatedStorage")
local Lighting = game:GetService("Lighting")

--//Tools
local Tools_Folder = Replicated_Storage.Tools

--//Gui
local BackGround = script.Parent.Screen.BackGround
local Shop_Frame = BackGround.ShopFrame
local Information_Frame = BackGround.InformationFrame
local Close_Button = BackGround.CloseButton

local Tool_buy_Button = Information_Frame.ToolBuyButton
local Tool_Image = Information_Frame.Tool_Image
local Tool_Name_Text = Information_Frame.ToolName
local Tool_Description_Text = Information_Frame.ToolDescription

local Better_FlashLight_Gui = Shop_Frame.Better_FlashLight

--//Player
local player = game.Players.LocalPlayer
local Character = player.Character
local Humanoid = Character.Humanoid

--//Currency
local Points = player:WaitForChild("Points")

--//Tables


local Description_Table =
	{"Advanced FlashLight, Better than your old one huh?",

	}

--//Tween_Services


--//Functions//

	local function buying()
	local tool = Tools_Folder:FindFirstChild(Tool_Name_Text.Text)
	if tool and tool.Cost then
		if Points.Value > tool.Cost.Value then
			script.Tool_Buying_remote:FireServer(tool)
			Points.Value -= tool.Cost.Value
		else
			print(player.Name.." Doesn't have enough points")
		end
		end
end

local function Close_Gui()
	script.Parent.Enabled = false
end

	local function FlashLight_Check_Button()
		Tool_Name_Text.Text = "Advanced FlashLight"
		Tool_Description_Text.Text = Description_Table[1]
end


--//Running Functions
Better_FlashLight_Gui.Check_Button.MouseButton1Click:Connect(FlashLight_Check_Button)
Tool_buy_Button.MouseButton1Click:Connect(buying)
Close_Button.MouseButton1Click:Connect(Close_Gui)

server:

script.Parent.Tool_Buying_remote.OnServerEvent:Connect(function(player, tool)
	local tool_Clone = tool:Clone()
	tool_Clone.Name = "Advanced FlashLight"
	tool.Parent = game.StarterPack
end)

[kalersmot123 (Stashed)]

i just changed code in flashlight and it worked