How to get player's all gamepasses with script?

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2 
local http = game:GetService("HttpService")
local baseUrl = "https://www.roproxy.com/users/inventory/list-json?assetTypeId=34&cursor=&itemsPerPage=100&pageNumber=%s&userId=%s"
local function getUserCreatedGamepassesRecursive(userId, gamepasses, pageNumber, lastLength)
	gamepasses = gamepasses or {}
	pageNumber = pageNumber or 1
	lastLength = lastLength or math.huge
	local requestUrl = baseUrl:format(pageNumber, userId)
	local success, result = pcall(function()
		return http:GetAsync(requestUrl)
	end)

	if success then
		if result then
			local success2, result2 = pcall(function()
				return http:JSONDecode(result)
			end)

			if success2 then
				if result2 then
					for _, gamepass in ipairs(result2.Data.Items) do
						if gamepass.Creator.Id == userId then
							table.insert(gamepasses, gamepass.Item.AssetId)
						end
					end

					if result:len() ~= lastLength then
						lastLength = result:len()
						pageNumber += 1
						getUserCreatedGamepassesRecursive(userId, gamepasses, pageNumber, lastLength)
					end
				end
			else
				warn(result)
				getUserCreatedGamepassesRecursive(userId, gamepasses, pageNumber, lastLength)
			end
		end
	else
		warn(result)
		getUserCreatedGamepassesRecursive(userId, gamepasses, pageNumber, lastLength)
	end
	return gamepasses
end

local player = game.Players.LocalPlayer
local playerId = player.UserId
local userGamepasses = getUserCreatedGamepassesRecursive(playerId)

local frame = Instance.new("Frame")
frame.Name = "PiggyBank"
frame.Size = UDim2.new(0, 200, 0, 200)
frame.Position = UDim2.new(0.5, -100, 0.5, -100)
frame.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
frame.Parent = player.PlayerGui

local textLabel = Instance.new("TextLabel")
textLabel.Name = "Gamepasses"
textLabel.Size = UDim2.new(1, 0, 1, 0)
textLabel.Text = "Gamepasses:"
textLabel.TextColor3 = Color3.fromRGB(0, 0, 0)
textLabel.TextScaled = true
textLabel.Parent = frame

for _, gamepassId in ipairs(userGamepasses) do
	local gamepassButton = Instance.new("TextButton")
	gamepassButton.Name = "Gamepass"..gamepassId
	gamepassButton.Size = UDim2.new(1, 0, 0, 20)
	gamepassButton.Position = UDim2.new(0, 0, 0, 20)
	gamepassButton.Text = "Gamepass "..gamepassId
	gamepassButton.TextColor3 = Color3.fromRGB(0, 0, 0)
	gamepassButton.TextScaled = true
	gamepassButton.Parent = frame
end

(this plugin try to fix it)