org.openide.filesystems.FileStateInvalidException
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RootObjWindows.createFolder(RootObjWindows.java:211)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RootObj.createFolder(RootObj.java:258)
   at org.openide.filesystems.FileUtil.createFolder(FileUtil.java:712)
   at org.netbeans.modules.cnd.makeproject.MakeActionProviderImpl.onPreBuildStep(MakeActionProviderImpl.java:827)
   at org.netbeans.modules.cnd.makeproject.MakeActionProviderImpl.addTarget(MakeActionProviderImpl.java:487)
   at org.netbeans.modules.cnd.makeproject.MakeActionProviderImpl.addAction(MakeActionProviderImpl.java:468)
   at org.netbeans.modules.cnd.makeproject.MakeActionProviderImpl.access$200(MakeActionProviderImpl.java:156)
   at org.netbeans.modules.cnd.makeproject.MakeActionProviderImpl$1.runImpl(MakeActionProviderImpl.java:330)
   at org.netbeans.modules.cnd.makeproject.uiapi.LongOperation$CancellableTask.run(LongOperation.java:99)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg$LongWorkerImpl.doWork(ModalMessageDlg.java:200)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg$Worker.run(ModalMessageDlg.java:149)
   at org.netbeans.modules.progress.ui.RunOffEDTImpl$3.run(RunOffEDTImpl.java:275)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)