Why does intellij IDEA highlight build.sbt?

Question

I've recently create a new project with sbt in IDEA and got this

What's wrong with it? I have scala plugin installed and enabled and IDEA version is 14.

Answer 1

Ok, I've found a solution to resolve this problem. Here is the link: https://stackoverflow.com/a/26767860/3974509

You need to invalidate cahce and dsable old SBT plugin. Caches invalidation: File > Invalidate Caches/Restatr