attempt to index nil with 'HumanoidRootPart' ?

I Want players in a table to teleport in a specific position. But, the output says that HumanoidRootPart Is Nil.

And I have made a table and saw,

[1] = Brioche_Noodle [2] = "*** cycle table reference detected ***"

Function That I am focusing on,

function spawnMap()
    local Maps = Storage.Maps:GetChildren()
    chosenMap = Maps[math.random(1, #Maps)]

    chosenMap:Clone()
    chosenMap.Parent = workspace.Map


    for _, player in ipairs(Playing) do
        if player then
            print(player)
            player.Character.HumanoidRootPart.Position = Vector3.new(chosenMap.Teleporter.Position)
        end
    end

end

Here is my whole script.

local Players = game:GetService("Players")
local Teams = game:GetService("Teams")
local Storage = game:GetService("ServerStorage")

local Playing = {}
local NotPlaying = {}
local Infected = {}

local Team = {
    Lobby = Teams.Lobby,
    Infected = Teams.Infected,
    Citizens = Teams.Citizens
}
local gameStarted = false
local chosenMap

local function onPlayerAdded(player)
    print(player.Name .. " || Joined || ")

    if gameStarted == false then 
        print(player.Name .. " is added to The Playing Table")

        table.insert(Playing, player)
        print(Playing)
    else
        print(player.Name .. " is added to The Not Playing Table")

        table.insert(NotPlaying, player)
        print(NotPlaying)
    end
    player.Team = Team.Lobby
end



local function addPlayerToPlaying()
    local AllPlayers = Players:GetPlayers()

    table.insert(Playing, Playing)
end

local function addPlayerToNotPlaying()
    local AllPlayers = Players:GetPlayers()

    table.insert(NotPlaying, Playing)
end

function spawnMap()
    local Maps = Storage.Maps:GetChildren()
    chosenMap = Maps[math.random(1, #Maps)]

    chosenMap:Clone()
    chosenMap.Parent = workspace.Map


    for _, player in ipairs(Playing) do
        if player then
            print(player)
            player.Character.HumanoidRootPart.Position = Vector3.new(chosenMap.Teleporter.Position)
        end
    end

end

function despawnMap()
    local Maps = Storage.Maps:GetChildren()
    chosenMap.Parent = nil

    for _, player in ipairs(Playing) do
        if player then
            player.CharacterAdded:Connect(function(Character)
                Character.HumanoidRootPart.Position = Vector3.new(chosenMap.Lobby.Teleporter.Position)
            end)
        end
    end

end

-- Listeners 

Players.PlayerAdded:Connect(onPlayerAdded)

-- Script

while true do
    gameStarted = false 

    wait(4)

    gameStarted = true
    addPlayerToPlaying()
    spawnMap()
    wait(10)
    despawnMap()

    Playing = nil
    NotPlaying = nil
    Infected = nil
end