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Yeah, I tried everything on the list to and nothing works. I just want a refund or my premium features back.

The same thing happened to me. I bought all the features on December 25th. Then 1 week ago, when I tried to add a 4th layer on one of my projects, it told me to buy the features and displayed an error screen saying "Error retrieving information from the server. [DF-AA-20] " When I go to everything I've purchased on Google Play, it says I have already bought it. Please help us Flipaclip TwT