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$ED.dispatch(FileObject.java:1052) at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:203) at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:177) at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:122) at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:509) at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.setURLs(ModuleLayeredFileSystem.java:335) at org.netbeans.core.startup.layers.ModuleLayeredFileSystem.addURLs(ModuleLayeredFileSystem.java:351) at org.netbeans.core.startup.NbInstaller.loadLayers(NbInstaller.java:614) at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:309) at org.netbeans.ModuleManager.enable(ModuleManager.java:913) at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.enable(OperationSupportImpl.java:177) at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.access$1100(OperationSupportImpl.java:120) at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable$1.run(OperationSupportImpl.java:151) at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable$1.run(OperationSupportImpl.java:149) at org.openide.util.Mutex.writeAccess(Mutex.java:433) at org.netbeans.modules.autoupdate.services.OperationSupportImpl$ForEnable.doOperation(OperationSupportImpl.java:149) at org.netbeans.api.autoupdate.OperationSupport.doOperation(OperationSupport.java:67) at org.netbeans.modules.ide.ergonomics.fod.ModulesActivator.doEnableModules(ModulesActivator.java:147) 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:573) at org.openide.util.RequestProcessor$Processor.doEvaluate(RequestProcessor.java:1050) at org.openide.util.RequestProcessor$Task.waitFinished(RequestProcessor.java:738) at org.netbeans.modules.ide.ergonomics.fod.ModulesInstaller.installModules(ModulesInstaller.java:120) at org.netbeans.modules.ide.ergonomics.fod.ConfigurationPanel$2.run(ConfigurationPanel.java:189) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:573) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1005)