How do you make my click block gamepass script work?

I made a block that if you pressed it there would be a purchase prompt. It didn't work though. A while back it worked but now it doesn't. The script:

local CLICK_BLOCK = script.Parent
local ITEM_ID = 11844188

local MouseButton1Click = Instance.new("ClickDetector",CLICK_BLOCK)

Click.MouseClick:connect(function(p)
game:GetService("MarketplaceService"):PromptPurchase(p,ITEM_ID)
end)