================ Step #1 ================= Cleaning output files: out/production/module/Enum.class End of files Exit code: NOTHING_DONE ------------------------------------------ Compiling files: src/Enum.java End of files Cleaning output files: out/production/module/META-INF/module.kotlin_module out/production/module/UseKt$WhenMappings.class out/production/module/UseKt.class End of files Compiling files: src/use.kt End of files Exit code: ABORT ------------------------------------------ COMPILATION FAILED 'when' expression must be exhaustive, add necessary 'C' branch or 'else' branch instead ================ Step #2 ================= Cleaning output files: out/production/module/Enum.class End of files Compiling files: src/use.kt End of files Exit code: OK ------------------------------------------ Compiling files: src/Enum.java End of files