Its a common misprint in the early releases. If I remember right, it is supposed to be 2 copies of Stupefy. If you send a request to USAopoly, they can probably get a replacement in a week.
Yes. I learned a lot about this issue from this forum thread: https://boardgamegeek.com/article/23991738#23991738
Not only does it explain the situation, but where to contact and how long you should expect.