Trying to prompt developer product purchase but keep getting output error

[DonaldDuck5150]

Ok… maybe this post will help you. It’s not as confusing:

PromptPurchase from SurfaceGui

What do you want to achieve? A PromptPurchase from a TextButton inside of a SurfaceGui. What is the issue? It doesn’t seem to be working, I have tried fixing it myself but had no luck. What solutions have you tried so far? I have looked on the DevForum and YouTube and have found nothing. Here is the script: local productId = 1331518806 local player = game.Players.LocalPlayer script.Parent.MouseButton1Click:Connect(function() game:GetService("MarketplaceService"):PromptProductPur…