Unresolved reference: compileKotlin in build.gradle.kts
There’s an issue in the Kotlin Gradle DSL that causes this. https://github.com/gradle/kotlin-dsl-samples/issues/1368 You will need to use the following workaround until it gets resolved. tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> { kotlinOptions { jvmTarget = “1.8” } }