Train door will not open?

I installed train doors into my metro train and it's basically a left union and inside is the parts used for the position ( like OpenPos and ClosePos )

Now I wanted 1 side to open for my game so I added an if statement so like If side ( Variable ) Is "Right" Then do the tween but now it doesn't work? I added some prints and everything was fine so please help.

door script

local this = script.Parent

local TweenService = game:GetService("TweenService")

local TrainDoor = this.Carriage.TrainDoor
local Event = this.OpenDoors

local doortweenInfo = TweenInfo.new(1, Enum.EasingStyle.Cubic, Enum.EasingDirection.InOut, 0, false, 0)

function Anchor(model)
    for i, v in pairs(model:GetChildren()) do
        if v:IsA("UnionOperation") then
            v.Anchored = true
        end
    end
end
function UnAnchor(model)
    for i, v in pairs(model:GetChildren()) do
        if v:IsA("UnionOperation") then
            v.Anchored = false
        end
    end
end
Event.Event:Connect(function(side)
    print(side)
    if side == "Right" then
        print("Is right")
        for i,v in pairs(TrainDoor.RightSide:GetChildren()) do
            if v.Name == "DoorL" then
                print("Is doorL")
                Anchor(TrainDoor)

                TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosOpen.Position)}):Play()
                delay(5, function()
                    TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosClosed.Position)}):Play()
                    wait(1)
                    UnAnchor(TrainDoor)
                end)
            end
            if v.Name == "DoorR" then
                print("Is doorR")
                Anchor(TrainDoor)
                TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosOpen.Position)}):Play()
                delay(5, function()
                    TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosClosed.Position)}):Play()
                    wait(1)
                    UnAnchor(TrainDoor)
                end)
            end
        end
    elseif side == "Left" then
        print("Is left")
        for i,v in pairs(TrainDoor.LeftSide:GetChildren()) do
            if v.Name == "DoorL" then
                Anchor(TrainDoor)

                TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosOpen.Position)}):Play()
                delay(5, function()
                    TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosClosed.Position)}):Play()
                    wait(1)
                    UnAnchor(TrainDoor)
                end)
            end
            if v.Name == "DoorR" then
                Anchor(TrainDoor)
                Anchor(TrainDoor)
                TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosOpen.Position)}):Play()
                delay(5, function()
                    TweenService:Create(v, doortweenInfo, {CFrame = CFrame.new(v.PosClosed.Position)}):Play()
                    wait(1)
                    UnAnchor(TrainDoor)
                end)
            end
        end
    end 

end)