Why is this tool not being cloned into ReplicatedStorage?

I am in the process of making a cabin assignment system for a cruise ship. I am attempting to have keys that have a unique identity to the player cloned into ReplicatedStorage. Unfortunately, it's not working. Whenever I attempt to clone the key from the backpack to RS, the console prints a "CabinKey is not a valid member of Backpack" error. Not sure why, because CabinKey is in Backpack. Please note, all the code functions properly except for the last line. The tool clones just fine into my backpack.

game.Players.PlayerAdded:connect(function(Player)
	Player.Chatted:connect(function(msg)
		if Player:GetRankInGroup(2874319) >= 240 or Player.Name == "LoonyLeftist" then
			if string.sub(msg,1,9) == "giveCabin" then
				local plr = "Nil"
				local players = {}
				local length = string.len(string.sub(msg,15,string.len(msg)))
				for i,v in pairs(game.Players:GetChildren()) do
					table.insert(players,v.Name)
				end
				for i,v in pairs(players) do
					if string.sub(msg,15,string.len(msg)) == string.sub(players[i],0,length) then
						plr = players[i]
					end
				end
				for i,v in pairs(game.Players:GetChildren()) do
					if string.lower(v.Name) == string.lower(plr) then
						 player = v
					end
				end
				if plr ~= "Nil" then	
					game.ServerStorage.CabinKey:Clone().Parent = player.Backpack
					player.Backpack.CabinKey.Handle.Value.Value = string.sub(msg,11,13)
					player.Backpack.CabinKey.Handle.Player.Value = plr
					player.Backpack.CabinKey.Name = string.sub(msg,11,13)
					player.Backpack.CabinKey:Clone().Parent = game.ReplicatedStorage
				else
					local sound = Instance.new("Sound")
					sound.SoundId = "rbxassetid://595978693"
					sound.Parent = Player.PlayerGui
					sound:Play()
				end
			end
		end
	end)
end)

--giveCabin B02 Dj
--1234567890123456

Any help would be greatly appreciated!