I specifically chose the faculty of smart people (blue), and when I chose my specialty, I chose intelligence! But they're taking it away from me! My studies are making me a moron! AAAAAAAAAAAA!
You can continue playing, it is just a small one-time stat loss. Or you can use a workaround. Go to Magic theory (теория магии) or Brewing (Варение) as your very class first, and you should not lose the Knowledge points