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)