java.lang.NullPointerException
        at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.getHeaderFiles(ProjectBase.java:1463)
        at org.netbeans.modules.cnd.completion.csm.CsmContextUtilities.gatherLibIncludedMacros(CsmContextUtilities.java:206)
        at org.netbeans.modules.cnd.completion.csm.CsmContextUtilities.findMacros(CsmContextUtilities.java:164)
        at org.netbeans.modules.cnd.completion.csm.CsmContextUtilities.findLibMacros(CsmContextUtilities.java:137)
        at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getLibMacros(CsmProjectContentResolver.java:311)
        at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolveContext(CompletionResolverImpl.java:304)
        at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolve(CompletionResolverImpl.java:161)
        at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveItem(CsmCompletionQuery.java:885)
        at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveExp(CsmCompletionQuery.java:811)
        at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.getResult(CsmCompletionQuery.java:232)
        at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:214)
        at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:148)
        at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:128)
        at org.netbeans.modules.cnd.completion.cplusplus.CsmCompletionProvider$Query.query(CsmCompletionProvider.java:163)
        at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:218)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)