I played the Monkey Island treasure hunt game and got codes for 1 dollar discounts and 5% off the final purchase of the game. I entered the code and I got a message saying that the code was invalid. I sent an email asking for what I am supposed to do with the code that I received from the website when purchasing the game and I never got an email reply back. The issue number for what I sent in is "issue-29415"
Please give me some advice on what I am supposed to do.