IntelliJ Build Error Context Mismatch

Question

I want to use IntelliJ IDEA 15 instead of Android Studio, but I have a problem with building. I get the following error:

Gradle sync failed: The newly create         


        

Answer 1

In my case I only went to settings, searched for JDK, clicked Java Compiler, then I noticed the project bytecode version was missing. So I only checked 1.8 which is my Java build version. And that was it for me.