java.lang.AssertionError
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventListener.checkEvent(CsmEventListener.java:130)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventListener.fireEvent(CsmEventListener.java:117)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher.dispatch(CsmEventDispatcher.java:370)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher.processEvent(CsmEventDispatcher.java:236)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher.access$600(CsmEventDispatcher.java:85)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher$Worker.run(CsmEventDispatcher.java:215)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1464)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher.registerEvents(CsmEventDispatcher.java:190)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher.access$800(CsmEventDispatcher.java:85)
   at org.netbeans.modules.cnd.modelimpl.platform.CsmEventDispatcher$ItemListener.fileRenamed(CsmEventDispatcher.java:434)
   at org.netbeans.modules.cnd.makeproject.NativeProjectProvider.fireFileRenamed(NativeProjectProvider.java:326)
   at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfigurationDescriptor.fireFileRenamed(MakeConfigurationDescriptor.java:697)
   at org.netbeans.modules.cnd.makeproject.api.configurations.Folder.renameItemAction(Folder.java:956)
   at org.netbeans.modules.cnd.makeproject.api.configurations.Item.renameTo(Item.java:206)
   at org.netbeans.modules.cnd.makeproject.api.configurations.Item.rename(Item.java:189)
   at org.netbeans.modules.cnd.makeproject.api.configurations.Item.propertyChange(Item.java:281)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.openide.loaders.DataObject.firePropertyChange(DataObject.java:1028)
   at org.openide.loaders.DataObject.notifyFileRenamed(DataObject.java:1464)
   at org.openide.loaders.DataObjectPool$FSListener.fileRenamed(DataObjectPool.java:638)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:184)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapperMulti.dispatchAllEventsSync(FCLSupport.java:248)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:137)
   at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:112)
   at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1355)
   at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:213)
   at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:188)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:129)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:609)
   at org.openide.loaders.DataObjectPool.runAtomicAction(DataObjectPool.java:286)
   at org.openide.loaders.DataObject.invokeAtomicAction(DataObject.java:991)
   at org.openide.loaders.DataObject.rename(DataObject.java:776)
   at org.openide.loaders.DataNode.setName(DataNode.java:157)
   at org.openide.loaders.DataNode.setName(DataNode.java:178)
   at org.openide.nodes.FilterNode.setName(FilterNode.java:494)
   at org.netbeans.modules.cnd.makeproject.ui.ViewItemNode.access$201(ViewItemNode.java:97)
   at org.netbeans.modules.cnd.makeproject.ui.ViewItemNode$2.run(ViewItemNode.java:149)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)