java.lang.Exception: null entry for valid file PARSED FileImpl @574470820:1229494140 C:\Developer\Qt64\QtSDK-x86_64\include\QtCore\QVariant prj:1965124754KeyBasedUID on ProjectKey C:\Developer\Qt64\QtSDK-x86_64\include NOT_BEING_PARSED
   at org.netbeans.modules.cnd.utils.CndUtils.assertTrue(CndUtils.java:191)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.markAsParsingPreprocStates(ProjectBase.java:1650)
   at org.netbeans.modules.cnd.modelimpl.csm.core.DeepReparsingUtils.addCompilationUnitToReparse(DeepReparsingUtils.java:430)
   at org.netbeans.modules.cnd.modelimpl.csm.core.DeepReparsingUtils.reparseOnPropertyChanged(DeepReparsingUtils.java:304)
   at org.netbeans.modules.cnd.modelimpl.csm.core.CreateFilesWorker.finishProjectFilesCreation(CreateFilesWorker.java:160)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.createProjectFilesIfNeed(ProjectBase.java:1056)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.ensureFilesCreated(ProjectBase.java:880)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.onAddedToModelImpl(ProjectBase.java:1214)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.access$200(ProjectBase.java:169)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase$2.run(ProjectBase.java:1179)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ModelImpl$3.run(ModelImpl.java:418)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)