Erreur :Caused by: java.lang.RuntimeException: JxBrowser license check failed: No valid license found.

le programme netbeans :
Maintenant je reçois:

Code:

Caused by: java.lang.RuntimeException: JxBrowser license check failed: No valid license found.

mon programme est :

Code:

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ngapplication4;
 
import java.awt.BorderLayout;
import java.awt.Dimension;
import javafx.application.Platform;
import javafx.embed.swing.JFXPanel;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javax.swing.JApplet;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
 
import com.teamdev.jxbrowser.chromium.Browser;
import com.teamdev.jxbrowser.chromium.swing.BrowserView;
 
import javax.swing.*;
import java.awt.*;
 
public class GoogleMapsSample {
 
   public static void main(String[] args) {
       final Browser browser = new Browser();
       BrowserView browserView = new BrowserView(browser);
 
       JFrame frame = new JFrame("map.html");
       frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
       frame.add(browserView, BorderLayout.CENTER);
       frame.setSize(900, 500);
       frame.setLocationRelativeTo(null);
       frame.setVisible(true);
 
       browser.loadURL("C://map.html");
   }
}

je ne sais pas quel est le problème?