java.lang.AssertionError: empty project for UID KeyBasedUID on ProjectKey /usr/include/c++/4.6/L/builder@192.168.2.61
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl._getProject(FileImpl.java:311)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.getProjectImpl(FileImpl.java:1541)
   at org.netbeans.modules.cnd.modelimpl.csm.core.FileImpl.hashCode(FileImpl.java:1978)
   at java.util.HashMap.getEntry(HashMap.java:361)
   at java.util.HashMap.containsKey(HashMap.java:352)
   at java.util.HashSet.contains(HashSet.java:201)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:676)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:702)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:702)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:702)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:702)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:702)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:702)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:702)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalVariablesByFilter(CsmProjectContentResolver.java:671)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.fillFileLocalIncludeVariables(CsmProjectContentResolver.java:667)
   at org.netbeans.modules.cnd.completion.csm.CsmProjectContentResolver.getFileLocalVariables(CsmProjectContentResolver.java:452)
   at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolveContext(CompletionResolverImpl.java:525)
   at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolveContext(CompletionResolverImpl.java:258)
   at org.netbeans.modules.cnd.completion.csm.CompletionResolverImpl.resolve(CompletionResolverImpl.java:204)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolve(CsmCompletionQuery.java:1099)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveItem(CsmCompletionQuery.java:1531)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery$Context.resolveExp(CsmCompletionQuery.java:1457)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.getResult(CsmCompletionQuery.java:449)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:382)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:297)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:208)
   at org.netbeans.modules.cnd.completion.cplusplus.ext.CsmCompletionQuery.query(CsmCompletionQuery.java:187)
   at org.netbeans.modules.cnd.completion.cplusplus.CsmCompletionProvider$Query.query(CsmCompletionProvider.java:276)
   at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:223)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2036)
Caused: org.openide.util.RequestProcessor$FastItem: task failed due to: java.lang.AssertionError: empty project for UID KeyBasedUID on ProjectKey /usr/include/c++/4.6/L/builder@192.168.2.61