When I run CubeField game I get this error:
java.lang.NullPointerException: 'font' cannot be null.
at com.jme3.font.BitmapText.<init>(BitmapText.java:32)
at com.jme3.font.BitmapText.<init>(BitmapText.java:68)
at jme3game.cubefield.CubeField.simpleInitApp(CubeField.java:60)
at com.jme3.app.SimpleApplication.initialize(SimpleApplication.java:141)
at com.jme3.system.lwjgl.LwjglAbstractDisplay.initInThread(LwjglAbstractDisplay.java:102)
at com.jme3.system.lwjgl.LwjglAbstractDisplay.run(LwjglAbstractDisplay.java:147)
at java.lang.Thread.run(Thread.java:619)
what should I do?