I downloaded The Sims 3 game, and the expansion pack The Sims 3 World Adventures, but it says: Error, your The Sims 3 Base Game is incompatible with the current Sims 3 Expansion pack. Please upgrade your game via The Game Launcher; But i upgraded both games and they both say they are up to date, but it keeps popping up and wont let me play either the regular Sims 3 game or the expansion pack. I don't know what to do to let me play them.
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