java.lang.NullPointerException
   at org.netbeans.scenebuilder.multiview.SBFxmlMultiViewElement.lambda$null$10(SBFxmlMultiViewElement.java:120)
   at com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:361)
   at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
   at javafx.beans.property.IntegerPropertyBase.fireValueChangedEvent(IntegerPropertyBase.java:106)
   at javafx.beans.property.IntegerPropertyBase.markInvalid(IntegerPropertyBase.java:113)
   at javafx.beans.property.IntegerPropertyBase.set(IntegerPropertyBase.java:147)
   at com.oracle.javafx.scenebuilder.kit.editor.JobManager.incrementRevision(JobManager.java:221)
   at com.oracle.javafx.scenebuilder.kit.editor.JobManager.push(JobManager.java:86)
   at com.oracle.javafx.scenebuilder.kit.editor.panel.inspector.InspectorPanelController.pushJob(InspectorPanelController.java:1222)
   at com.oracle.javafx.scenebuilder.kit.editor.panel.inspector.InspectorPanelController.setSelectedFXOMInstances(InspectorPanelController.java:1207)
   at com.oracle.javafx.scenebuilder.kit.editor.panel.inspector.InspectorPanelController.updateValueInModel(InspectorPanelController.java:1156)
   at com.oracle.javafx.scenebuilder.kit.editor.panel.inspector.InspectorPanelController.lambda$handleValueChange$123(InspectorPanelController.java:1124)
   at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
   at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
   at javafx.beans.property.ObjectPropertyBase.fireValueChangedEvent(ObjectPropertyBase.java:105)
   at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112)
   at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146)
   at javafx.beans.property.ObjectProperty.setValue(ObjectProperty.java:69)
   at com.oracle.javafx.scenebuilder.kit.editor.panel.inspector.editors.PropertyEditor.userUpdateValueProperty(PropertyEditor.java:483)
   at com.oracle.javafx.scenebuilder.kit.editor.panel.inspector.editors.PropertyEditor.userUpdateValueProperty(PropertyEditor.java:467)
   at com.oracle.javafx.scenebuilder.kit.editor.panel.inspector.editors.BooleanEditor.lambda$new$138(BooleanEditor.java:57)
   at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
   at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
   at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
   at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
   at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
   at javafx.event.Event.fireEvent(Event.java:198)
   at javafx.scene.Node.fireEvent(Node.java:8413)
   at javafx.scene.control.CheckBox.fire(CheckBox.java:239)
   at com.sun.javafx.scene.control.behavior.ButtonBehavior.mouseReleased(ButtonBehavior.java:182)
   at com.sun.javafx.scene.control.skin.BehaviorSkinBase$1.handle(BehaviorSkinBase.java:96)
   at com.sun.javafx.scene.control.skin.BehaviorSkinBase$1.handle(BehaviorSkinBase.java:89)
   at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
   at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
   at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
   at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
   at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
   at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
   at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
   at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
   at javafx.event.Event.fireEvent(Event.java:198)
   at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)
   at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)
   at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
   at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
   at com.sun.javafx.tk.quantum.EmbeddedScene.lambda$null$294(EmbeddedScene.java:256)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at com.sun.javafx.tk.quantum.EmbeddedScene.lambda$mouseEvent$295(EmbeddedScene.java:244)
   at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
   at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
   at com.sun.glass.ui.win.WinApplication._runLoop(WinApplication.java:0)
   at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
   at java.lang.Thread.run(Thread.java:745)