It's most likely a glitch. You may need to return it or get a new copy. If the other games you own work on the portable console (gameboy etc.) then it is most likely a problem with the game itself. However it does stink to have to redo the things you've already accoplished.
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that's cause gale of darkness isn't a real Pokemon game so the Pokemon you trade can't be processed in your pokedex so it will delete. If your game restarts if beat the Pokemon league then you can't do anything about it. You have to buy a new Pokemon game.
You can't go to the moon in any Pokemon game including Ruby You can't go to the moon in any Pokemon game including Ruby
In the game Pokemon ruby destiny
You don't. You have to trade an eevee to Pokemon Ruby to use one in the game.
Pokemon Emerald,Ruby and Sapphire