SliceViewerKotlin gives a Gradle error

[orling]

This project fails to build and run on a freshly downloaded latest Android Studio. The error is:

"Gradle sync failed: Could not initialize class org.jetbrains.kotlin.gradle.plugin.sources.DefaultKotlinSourceSetKt"

Setting the Kotlin version to 1.4.0 as suggested here doesn't help: https://stackoverflow.com/questions/60949991/how-to-fix-initialization-error-for-defaultkotlinsourcesetkt

[orling]

Here is the idea.log file idea.log