Why can't I buy this game?

[Post New]by jrc999 on Apr 19, 15 3:08 PM
I downloaded the trial version yesterday and my son played for 30 minutes straight. The game stopped when the trail time was up, and I haven't been able to buy the full version. Every time I can get the "buy" button to appear, it takes me to a screen that says, "There is nothing in your cart. This item doesn't exist or hasn't been released."

Thanks in advance for any guidance!

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