java.lang.NullPointerException
        at org.netbeans.core.windows.persistence.ModeParser.addTCRef(ModeParser.java:728)
        at org.netbeans.core.windows.persistence.WindowManagerParser.addTCRef(WindowManagerParser.java:267)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.addTCRef(ModuleChangeHandler.java:436)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.processTCRef(ModuleChangeHandler.java:422)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.processDataOrFolderCreated(ModuleChangeHandler.java:318)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.fileDataCreated(ModuleChangeHandler.java:264)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:136)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:125)
        at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:102)
        at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1109)
        at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:205)
        at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:179)
        at org.openide.filesystems.EventControl.finishAtomicAction(EventControl.java:111)
        at org.openide.filesystems.FileSystem.finishAtomicAction(FileSystem.java:565)
        at org.openide.filesystems.MultiFileObject.updateAll(MultiFileObject.java:241)
        at org.openide.filesystems.MultiFileObject.fileFolderCreated(MultiFileObject.java:1364)
        at sun.reflect.GeneratedMethodAccessor2.invoke(GeneratedMethodAccessor2.java:0)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:451)
        at org.openide.filesystems.$Proxy0.fileFolderCreated(.java:0)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:139)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:125)
        at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:102)
        at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1071)
        at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:205)
        at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:179)
        at org.openide.filesystems.EventControl.finishAtomicAction(EventControl.java:111)
        at org.openide.filesystems.FileSystem.finishAtomicAction(FileSystem.java:565)
        at org.openide.filesystems.MultiFileObject.updateAllAfterSetDelegates(MultiFileObject.java:278)
        at org.openide.filesystems.MultiFileSystem.setDelegates(MultiFileSystem.java:175)
        at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.setURLs(ModuleLayeredFileSystem.java:257)
        at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.addURLs(ModuleLayeredFileSystem.java:274)
        at org.netbeans.core.startup.NbInstaller.loadLayers(NbInstaller.java:631)
        at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:326)
        at org.netbeans.ModuleManager.enable(ModuleManager.java:917)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.enable(OperationSupportImpl.java:183)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.access$1200(OperationSupportImpl.java:126)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable$1.run(OperationSupportImpl.java:157)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable$1.run(OperationSupportImpl.java:155)
        at org.openide.util.Mutex.writeAccess(Mutex.java:433)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.doOperation(OperationSupportImpl.java:155)
        at org.netbeans.api.autoupdate.OperationSupport.doOperation(OperationSupport.java:67)
        at org.netbeans.modules.ide.ergonomics.fod.ModulesActivator.doEnableModules(ModulesActivator.java:148)
        at org.netbeans.modules.ide.ergonomics.fod.ModulesActivator.enableModules(ModulesActivator.java:113)
        at org.netbeans.modules.ide.ergonomics.fod.ModulesActivator.access$000(ModulesActivator.java:61)
        at org.netbeans.modules.ide.ergonomics.fod.ModulesActivator$1.run(ModulesActivator.java:106)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.doEvaluate(RequestProcessor.java:1126)
        at org.openide.util.RequestProcessor$Task.waitFinished(RequestProcessor.java:783)
        at org.netbeans.modules.ide.ergonomics.fod.ModulesInstaller.installModules(ModulesInstaller.java:121)
        at org.netbeans.modules.ide.ergonomics.fod.ConfigurationPanel.run(ConfigurationPanel.java:189)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)