android Could not initialize class org.jetbrains.kotlin.gradle.plugin.sources.DefaultKotlinSourceSetKt code example

Example: Could not initialize class org.jetbrains.kotlin.gradle.plugin.sources.DefaultKotlinSourceSetKt

buildscript {
ext {
    kotlinVersion = '1.3.72'
    springBootVersion = '2.0.4.RELEASE'
}
repositories {
    mavenCentral()
}
... 
}