java.lang.AssertionError
   at org.openide.loaders.FolderList.getChildrenList(FolderList.java:277)
   at org.openide.loaders.FolderList.getChildren(FolderList.java:256)
   at org.openide.loaders.DataFolder.getChildren(DataFolder.java:279)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.getFolders(GUIRegistrationPanel.java:948)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.getFolders(GUIRegistrationPanel.java:952)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.getFolders(GUIRegistrationPanel.java:952)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.getFolders(GUIRegistrationPanel.java:952)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.getFolders(GUIRegistrationPanel.java:943)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.getFoldersByName(GUIRegistrationPanel.java:932)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.access$300(GUIRegistrationPanel.java:84)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel$2.run(GUIRegistrationPanel.java:303)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1356)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1894)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:355)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.loadComboAndPositions(GUIRegistrationPanel.java:292)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.loadComboAndPositions(GUIRegistrationPanel.java:282)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.readSFS(GUIRegistrationPanel.java:274)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.GUIRegistrationPanel.<init>(GUIRegistrationPanel.java:124)
   at org.netbeans.modules.apisupport.project.ui.wizard.action.NewActionIterator.createPanels(NewActionIterator.java:73)
   at org.netbeans.modules.apisupport.project.ui.wizard.BasicWizardIterator.initialize(BasicWizardIterator.java:278)
   at org.openide.loaders.TemplateWizard$InstantiatingIteratorBridge.initialize(TemplateWizard.java:1008)
   at org.openide.loaders.TemplateWizardIterImpl.setIterator(TemplateWizardIterImpl.java:100)
   at org.openide.loaders.TemplateWizardIteratorWrapper.setIterator(TemplateWizardIteratorWrapper.java:76)
   at org.openide.loaders.TemplateWizard.setTemplateImpl(TemplateWizard.java:193)
   at org.openide.loaders.TemplateWizard.setTemplate(TemplateWizard.java:211)
   at org.openide.loaders.TemplateWizard.instantiateImpl(TemplateWizard.java:458)
   at org.openide.loaders.TemplateWizard.instantiate(TemplateWizard.java:374)
   at org.netbeans.modules.project.ui.actions.NewFile.doPerform(NewFile.java:154)
   at org.netbeans.modules.project.ui.actions.NewFile.access$200(NewFile.java:80)
   at org.netbeans.modules.project.ui.actions.NewFile$PopupListener.actionPerformed(NewFile.java:333)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:389)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1223)
   at com.apple.laf.AquaMenuItemUI.doClick(AquaMenuItemUI.java:137)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1264)
   at java.awt.Component.processMouseEvent(Component.java:6348)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
   at java.awt.Component.processEvent(Component.java:6113)
   at java.awt.Container.processEvent(Container.java:2085)
   at java.awt.Component.dispatchEventImpl(Component.java:4714)
   at java.awt.Container.dispatchEventImpl(Container.java:2143)
   at java.awt.Component.dispatchEvent(Component.java:4544)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4618)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4282)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4212)
   at java.awt.Container.dispatchEventImpl(Container.java:2129)
   at java.awt.Window.dispatchEventImpl(Window.java:2475)
   at java.awt.Component.dispatchEvent(Component.java:4544)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:635)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:131)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)