<Can't infer proper type myself in Kotlin when usi...

# stackoverflow

[user]

Can't infer proper type myself in Kotlin when using JavaFX
I just started to study Kotlin and JavaFX by following tutorial.
I could see blank JavaFX windows, and I proceed next step that using FXML.

import javafx.application.Application
import javafx.fxml.FXMLLoader
import javafx.scene.Scene
import javafx.stage.Stage

class AppMain : Application() {

override fun start(primaryStage: Stage) {
primaryStage.title = "Try JavaFX"
val fxml = javaClass.getResource("fxml/Main.fxml")
val root = FXMLLoader.load(fxml) // ERRORS...