java.lang.Exception: null entry for valid file MODIFIED FileImpl @-968622787:1892574598 C:\Devel\MinGW\lib\gcc\mingw32\4.7.0\include\c++\string prj:979792558KeyBasedUID on ProjectKey C:\Devel\MinGW\lib\gcc\mingw32\4.7.0\include\c++/L/ NOT_BEING_PARSED
   at org.netbeans.modules.cnd.utils.CndUtils.assertTrue(CndUtils.java:183)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.markAsParsingPreprocStates(ProjectBase.java:1608)
   at org.netbeans.modules.cnd.modelimpl.csm.core.DeepReparsingUtils.addCompilationUnitToReparse(DeepReparsingUtils.java:426)
   at org.netbeans.modules.cnd.modelimpl.csm.core.DeepReparsingUtils.reparseOnPropertyChanged(DeepReparsingUtils.java:300)
   at org.netbeans.modules.cnd.modelimpl.csm.core.CreateFilesWorker.finishProjectFilesCreation(CreateFilesWorker.java:173)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.createProjectFilesIfNeed(ProjectBase.java:1028)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.ensureFilesCreated(ProjectBase.java:857)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.onAddedToModelImpl(ProjectBase.java:1173)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.access$200(ProjectBase.java:174)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase$2.run(ProjectBase.java:1138)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ModelImpl$3.run(ModelImpl.java:400)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2036)