java.lang.ClassCastException: org.netbeans.modules.cnd.modelimpl.csm.core.ProjectImpl cannot be cast to org.netbeans.modules.cnd.modelimpl.csm.core.LibProjectImpl
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibProjectImpl.createInstance(LibProjectImpl.java:100)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager$LibraryEntry.createUID(LibraryManager.java:623)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager$LibraryEntry.getLibrary(LibraryManager.java:613)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager$LibraryEntry.access$200(LibraryManager.java:588)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager.getLibraries(LibraryManager.java:135)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.getLibraries(ProjectBase.java:2786)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.getLibraries(ProjectBase.java:169)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.getDependentProjects(ProjectBase.java:2799)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.getPreprocessorStatePairs(ProjectBase.java:1488)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.getPreprocStatePairs(FileImpl.java:519)
   at org.netbeans.modules.cnd.modelimpl.impl.services.FileInfoQueryImpl.getUnusedCodeBlocks(FileInfoQueryImpl.java:136)
   at org.netbeans.modules.cnd.highlight.semantic.ModelUtils.getInactiveCodeBlocks(ModelUtils.java:109)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticEntitiesProvider$InactiveCodeProvider.getBlocks(SemanticEntitiesProvider.java:96)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.updateImpl(SemanticHighlighter.java:183)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.update(SemanticHighlighter.java:148)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.run(SemanticHighlighter.java:269)
   at org.netbeans.modules.cnd.highlight.semantic.SemanticHighlighter.run(SemanticHighlighter.java:82)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:568)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:744)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)