Kai'sa Ability Bug

So... the video description explains what happened. but i'll repeat my self anyway.

I played Kai'sa over the weekend and encountered a major bug. Around 19:20 is when the bug happens. I don’t really notice till 25:00. At level 11 I have 10 points in my skills. I am able to evolve one of my skills, which I do, but after that I am no longer able to put points into any of my abilities. Annoying...yes.

If you want the rofl file I can post it in a link.