java.lang.NullPointerException
        at org.netbeans.core.windows.persistence.ModeParser.addTCRef(ModeParser.java:725)
        at org.netbeans.core.windows.persistence.WindowManagerParser.addTCRef(WindowManagerParser.java:267)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.addTCRef(ModuleChangeHandler.java:433)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.processTCRef(ModuleChangeHandler.java:419)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.processDataOrFolderCreated(ModuleChangeHandler.java:315)
        at org.netbeans.core.windows.persistence.ModuleChangeHandler.fileDataCreated(ModuleChangeHandler.java:261)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:130)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:122)
        at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:99)
        at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1052)
        at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:203)
        at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:177)
        at org.openide.filesystems.EventControl.finishAtomicAction(EventControl.java:109)
        at org.openide.filesystems.FileSystem.finishAtomicAction(FileSystem.java:535)
        at org.openide.filesystems.MultiFileObject.updateAll(MultiFileObject.java:240)
        at org.openide.filesystems.MultiFileObject.fileFolderCreated(MultiFileObject.java:1365)
        at sun.reflect.GeneratedMethodAccessor2.invoke(GeneratedMethodAccessor2.java:0)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:451)
        at org.openide.filesystems.$Proxy0.fileFolderCreated(.java:0)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:133)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:122)
        at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:99)
        at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1014)
        at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:203)
        at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:177)
        at org.openide.filesystems.EventControl.finishAtomicAction(EventControl.java:109)
        at org.openide.filesystems.FileSystem.finishAtomicAction(FileSystem.java:535)
        at org.openide.filesystems.MultiFileObject.updateAllAfterSetDelegates(MultiFileObject.java:277)
        at org.openide.filesystems.MultiFileSystem.setDelegates(MultiFileSystem.java:174)
        at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.setURLs(ModuleLayeredFileSystem.java:260)
        at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.addURLs(ModuleLayeredFileSystem.java:277)
        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$ForEnable.enable(OperationSupportImpl.java:179)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.access$1100(OperationSupportImpl.java:122)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable$1.run(OperationSupportImpl.java:153)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable$1.run(OperationSupportImpl.java:151)
        at org.openide.util.Mutex.writeAccess(Mutex.java:433)
        at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.doOperation(OperationSupportImpl.java:151)
        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:577)
        at org.openide.util.RequestProcessor$Processor.doEvaluate(RequestProcessor.java:1072)
        at org.openide.util.RequestProcessor$Task.waitFinished(RequestProcessor.java:742)
        at org.netbeans.modules.ide.ergonomics.fod.FeatureProjectFactory$1Enable.run(FeatureProjectFactory.java:293)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:577)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1030)