Getting an NPE when running the dokka Gradle task ...

# dokka

[napperley]

Getting an NPE when running the dokka Gradle task (using Gradle 4.1): https://kotlinlang.slack.com/files/U5R5FGVH7/F776ZPUE4/npe_with_dokka_task.txt

[semoro]

Please provide full stacktrace, using --stacktrace argument for gradle