Trello api :getcardsinlist error?

token and api key are correct script:

-- Sample Ban Script
print(1)
local API = require(game.Workspace.TrelloAPI:WaitForChild("TrelloAPI"))
print(2)
local BoardID = API:GetBoardID("Cafe global admin")
print(3)
local ListID = API:GetListID("Global ban")
print(4)
local Banned = API:GetCardsInList(ListID) -- line 10
print(5)

function checkBanned(name)
	local isBanned = false
	print(8)
	for i,v in pairs(Banned) do
		if v.name == name then
			isBanned = true
		end
	end
	
	return isBanned
end

game.Players.PlayerAdded:connect(function(player)
	if checkBanned(player.Name) == true then
		player:Kick("Banned from the game")
	end
end)

trelloapi(line 230):

function HS:JSONDecode(tab)
	local rhs=game:GetService("HttpService");
	return rhs:JSONDecode(tab) -- line 230
end

trelloapi(line 330):

function T:GetCardsInList(lid)
			local url
			if Private then
				getAddon()
				url="https://api.trello.com/1/lists/"..tostring(lid).."/cards"..addon
			else
				 getAddon()
				 url="https://api.trello.com/1/lists/"..tostring(lid).."/cards"..addon
			end
			local re=HS:GetAsync(url,true)
			local dat=HS:JSONDecode(re) -- line 330
		return dat
	end