At first I got strange ClassCastExceptions, but they were fixed by upgrading to gradle-intellij-plugin 0.6.3 Unfortunately when I use the latest version (0.6.4), I get a CNFE on PsiElementFactory in a ...

Could someone pls help me to sort out the issue I'm sure they could, but they'll need some more information. At a minimum, the version of Gradle that you're using and your build.gradle or build.gradle ...