java.lang.NullPointerException
   at org.netbeans.modules.cnd.makeproject.ui.BrokenReferencesSupport.findClangFormattingStyles(BrokenReferencesSupport.java:252)
   at org.netbeans.modules.cnd.makeproject.ui.BrokenReferencesSupport.getClangFormattingStyleProblems(BrokenReferencesSupport.java:192)
   at org.netbeans.modules.cnd.makeproject.ui.BrokenReferencesSupport.access$800(BrokenReferencesSupport.java:94)
   at org.netbeans.modules.cnd.makeproject.ui.BrokenReferencesSupport$ProjectProblemsProviderImpl.lambda$null$0(BrokenReferencesSupport.java:379)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:209)
   at org.openide.util.Mutex.readAccess(Mutex.java:218)
   at org.netbeans.modules.cnd.makeproject.ui.BrokenReferencesSupport$ProjectProblemsProviderImpl.lambda$getProblems$1(BrokenReferencesSupport.java:370)
   at org.netbeans.spi.project.ui.support.ProjectProblemsProviderSupport.getProblems(ProjectProblemsProviderSupport.java:120)
   at org.netbeans.modules.cnd.makeproject.ui.BrokenReferencesSupport$ProjectProblemsProviderImpl.getProblems(BrokenReferencesSupport.java:369)
   at org.netbeans.modules.project.ui.problems.BrokenProjectAnnotator$2.run(BrokenProjectAnnotator.java:144)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:420)
   at org.netbeans.modules.project.ui.problems.BrokenProjectAnnotator.annotateIcon(BrokenProjectAnnotator.java:137)
   at org.netbeans.modules.projectapi.nb.NbProjectInformationProvider$AnnotateIconProxyProjectInformation.updateIcon(NbProjectInformationProvider.java:198)
   at org.netbeans.modules.projectapi.nb.NbProjectInformationProvider$AnnotateIconProxyProjectInformation.stateChanged(NbProjectInformationProvider.java:183)
   at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:356)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
   at org.netbeans.modules.project.ui.problems.BrokenProjectAnnotator$1.run(BrokenProjectAnnotator.java:93)
   at org.openide.util.RequestProcessor$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)