"Create a script inside server script that closes a frame gui inside screen gui when players inputs the code 1234 in a text label and that code only works once and when players input code the wrong code l they will get a error text"

-- server script (ServerScriptService) 
local Players = game:GetService("Players")

local function onPlayerAdded(player)
    local screenGui = Instance.new("ScreenGui")
    screenGui.Parent = player:WaitForChild("PlayerGui")
    
    local frame = Instance.new("Frame")
    frame.Parent = screenGui
    frame.Size = UDim2.new(0.5, 0, 0.5, 0)
    frame.Position = UDim2.new(0.25, 0, 0.25, 0)
    
    local textBox = Instance.new("TextBox")
    textBox.Parent = frame
    textBox.Size = UDim2.new(0.5, 0, 0.2, 0)
    textBox.Position = UDim2.new(0.25, 0, 0.4, 0)
    
    local errorText = Instance.new("TextLabel")
    errorText.Parent = frame
    errorText.Size = UDim2.new(0.5, 0, 0.2, 0)
    errorText.Position = UDim2.new(0.25, 0, 0.6, 0)
    errorText.Text = ""
    errorText.TextColor3 = Color3.fromRGB(255, 0, 0)
    
    local codeUsed = false
    
    local function checkCode()
        if not codeUsed then
            if textBox.Text == "1234" then
                frame.Visible = false
                codeUsed = true
            else
                errorText.Text = "Incorrect code. Please try again."
            end
        else
            errorText.Text = "Code has already been used."
        end
    end
    
    textBox.FocusLost:Connect(checkCode)
end

Players.PlayerAdded:Connect(onPlayerAdded)