Why doesn't this code send the item to the player's Backpack?

local gui = script:WaitForChild("ToolGiver")
local toolButton = script:WaitForChild("Tool")
local groupId = 2921053
local plr = game.Players.LocalPlayer
local mouse = plr:GetMouse()
local givingEvent = game.ReplicatedStorage:WaitForChild("GivePlayerTools")

if plr:GetRankInGroup(groupId) < 0 then 
	wait(1)
	script:Destroy()
end

mouse.Button1Down:Connect(function()
	local target = mouse.Target
	if mouse.target ~= nil and target.Parent:FindFirstChild("HumanoidRootPart") then
		local givingPlr = game.Players:GetPlayerFromCharacter(target.Parent)
		local tools = plr.Backpack:GetChildren()
		local currentGui = gui:Clone()
		local givingTools = {}
		local giveButton = currentGui:WaitForChild("MainFrame"):WaitForChild("Give")
		local replicatedFolder = Instance.new("Folder", game.ReplicatedStorage)
		
		if plr.PlayerGui:FindFirstChild("ToolGiver") then
			plr.PlayerGui:FindFirstChild("ToolGiver"):Destroy()
		end
		currentGui.MainFrame.Player.Text = givingPlr.Name
		currentGui.Parent = plr.PlayerGui
		for _, tool in pairs (tools) do
			local currentButton = toolButton:Clone()
			currentButton.Text = tool.Name
			currentButton.Parent = currentGui.MainFrame.Tools
			currentButton.MouseButton1Click:Connect(function()
				if currentButton.BackgroundTransparency == 0.3 then
					table.remove(givingTools, tool)
					currentButton.BackgroundTransparency = 0.8
				else
					table.insert(givingTools, tool)
					currentButton.BackgroundTransparency = 0.3
				end
			end)
		end
		giveButton.MouseButton1Click:Connect(function()
			currentGui:Destroy()
			for _, tool in pairs (givingTools) do
				tool.Parent = replicatedFolder
			end
			givingEvent:FireServer(replicatedFolder, givingPlr)
		end)
	end
end)

When I press the Give button, it destroys the item, instead of giving it to the other player.``