Why is anchor not a thing, and more fun errors?

I made like a million errors so can someone explain them, so it doesn't happen again and then help me fix them. This script is made to save furniture and has other features too.

local Houses = workspace.Houses
local AvailableHouses = Houses.AvailibleHouses
local UsedHouses = Houses.UsedHouses

local DataStoreServide = game:GetService("DataStoreService")
local PlayerCarsDataStore = DataStoreServide:GetDataStore("ChosenCar")
local CurrentFurnature = DataStoreServide:GetDataStore("CurrentFurnature")
local FurnatureAnchor = DataStoreServide:GetDataStore("FurnatureAnchor")
local DefaultCar = "Sedan (red)"

game.Players.PlayerAdded:Connect(function(Player)
	local ChosenHouse = AvailableHouses:FindFirstChildOfClass("Folder")
	ChosenHouse.Name = Player.Name
	ChosenHouse.Parent = UsedHouses
	local Charachter = workspace:WaitForChild(Player.Name)
	Charachter:MoveTo(ChosenHouse.Spawn.Position)
	local playerFurnature = CurrentFurnature:GetAsync(Player.UserId) or nil
	if playerFurnature ~= nil then
		playerFurnature = game:GetService("HttpService"):JSONDecode(playerFurnature)
	else
		playerFurnature = nil
	end
	local furnatureModel = Instance.new("Model", ChosenHouse.Furnature)
	furnatureModel.Name = "FurnatureGroup"
	if playerFurnature ~= nil then
		for key, value in pairs(playerFurnature) do
			local createdItem = game.ReplicatedStorage:WaitForChild(key):Clone()
			createdItem.Parent = furnatureModel
			createdItem.CFrame = value
		end
		
		local anchorValues = FurnatureAnchor:GetAsync(Player.UserId) or nil
		if anchorValues ~= nil then
			local createdAnchor = Instance.new("Part", furnatureModel)
			createdAnchor.Anchored = true
			createdAnchor.Name = "Anchor"
			createdAnchor.Position = anchorValues.Position
			createdAnchor.Orientation = anchorValues.Orientation
			createdAnchor.Size = anchorValues.Size
			createdAnchor.Shape = Enum.PartType.Ball
			createdAnchor.Transparency = 1
			createdAnchor.CastShadow = false
			createdAnchor.CanCollide = false
			furnatureModel.PrimaryPart = createdAnchor
			furnatureModel:MoveTo(ChosenHouse.FurnaturePosition.Position)
			furnatureModel:PivotTo(ChosenHouse.FurnaturePosition.CFrame)
		else
			local createdAnchor = ChosenHouse.FurnaturePosition:Clone()
			createdAnchor.Name = "Anchor"
			createdAnchor.Parent = furnatureModel
			furnatureModel.PrimaryPart = createdAnchor
			furnatureModel:MoveTo(ChosenHouse.FurnaturePosition.Position)
			furnatureModel:PivotTo(ChosenHouse.FurnaturePosition.CFrame)
		end
	end
	
	game.ReplicatedStorage.Change.OnServerEvent:Connect(function(player, part, color)
		if part == "Wall" then
			for i, part in pairs(ChosenHouse.Wall:GetChildren()) do
				part.Color = color
				wait()
			end
		else
			for i, part in pairs(ChosenHouse.Trim:GetChildren()) do
				part.Color = color
				wait()
			end
		end
	end)
	Player.CharacterAdded:Connect(function(Char)
		Char:MoveTo(ChosenHouse.Spawn.Position)
	end)
	game.Players.PlayerRemoving:Connect(function(player)
		local FG = ChosenHouse.Furnature.FurnatureGroup
		print("A")
		local Anchor = FG:WaitForChild("Anchor") --Stops working here, before i added wait for child, it was find first chind and it would resault in an error
		print("A")
		local AnchorProperties = {
			Position = nil,
			Orientation = nil,
			Size = nil,
		}
		print("A")
		AnchorProperties.Position = Anchor.Position
		print("A")
		AnchorProperties.Size = Anchor.Size
		print("A")
		AnchorProperties.Orientation = Anchor.Orientation
		print("A")
		script.Parent.HouseSave.Event:Fire(Player.UserId, AnchorProperties)
		print("A")
		Anchor:Destroy()
		print("A")
		local SavingItems = {}
		print("B")
		for i, item in pairs(FG:GetChildren()) do
			print(tostring(item.Value.Value))
			SavingItems[item.Name] = tostring(item.Value.Value)
			print("ItemSaved")
		end
		print("All items saved")
		print(SavingItems)
		local EncodedSavedItems = game:GetService("HttpService"):JSONEncode(SavingItems)
		print(EncodedSavedItems)
		CurrentFurnature:SetAsync(Player.UserId, EncodedSavedItems)
		if player == Player then
			ChosenHouse.Name = "OpenHouse"
			ChosenHouse.Parent = AvailableHouses
			end
		end)
	game.ReplicatedStorage.SpawnCar.OnServerEvent:Connect(function()
		local CarName = PlayerCarsDataStore:GetAsync(Player.UserId) or DefaultCar
		local Car = game.ReplicatedStorage.Cars:FindFirstChild(CarName):Clone()
		Car.Parent = workspace
		Car:MoveTo(ChosenHouse.CarSpawn.Position)
	end)
end)