Read the V9 topic. It has a patch in it that fixes a lot of bugs, and it's in red capital letters telling you to do it. Also, try to avoid double posting and simply edit your latest post in a topic if you were the last to post in it.
Dawn stone is gotten by beating Spector, which is unlocked through doing the odd house quest and finding him in Goldenleaf Town. Then, you can battle him after talking to him in Wispy Tower in the morning, Goldenleaf Gym in the day, and Odd House at Night.