Cleaning output files: out/production/module/SamInterface.class End of files Compiling files: src/SamInterface.java End of files Cleaning output files: out/production/module/UsageWithFunctionExpression$usageWithFunctionExpression$a$1.class out/production/module/UsageWithFunctionExpression.class out/production/module/UsageWithFunctionLiteral$usageWithFunctionLiteral$1.class out/production/module/UsageWithFunctionLiteral.class out/production/module/_DefaultPackage$sam$SamInterface$*.class out/production/module/_DefaultPackage.class End of files Compiling files: src/usageWithFunctionExpression.kt src/usageWithFunctionLiteral.kt End of files COMPILATION FAILED Expression 'SamInterface' cannot be invoked as a function. The function invoke() is not found Please specify constructor invocation; classifier 'SamInterface' does not have a companion object Expression 'SamInterface' cannot be invoked as a function. The function invoke() is not found Please specify constructor invocation; classifier 'SamInterface' does not have a companion object