It happens, and before uninstalling “ The Sims 3” and starting over, read this guide to help you fix The Sims 3 base game is incompatible error. It could happen from not fully downloading and updating your game properly, or for another reason that you may never fully figure out. However, sometimes things happen and your game doesn’t update with the patch like it should. When new expansion packs or stuff packs are released for “ The Sims 3,” there are also new patches released to update the game.
