java.lang.AssertionError: #46802: project being closed which was never opened?? NbModuleProject[/space/profiler-main/lib.profiler@76fc022d:5984e00a]
   at org.netbeans.modules.apisupport.project.NbModuleProject$OpenedHook.projectClosed(NbModuleProject.java:715)
   at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectClosed(ProjectOpenedHook.java:87)
   at org.netbeans.spi.project.ui.support.UILookupMergerSupport$OpenHookImpl.projectClosed(UILookupMergerSupport.java:207)
   at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectClosed(ProjectOpenedHook.java:87)
   at org.netbeans.modules.project.ui.OpenProjectList.notifyClosed(OpenProjectList.java:1139)
   at org.netbeans.modules.project.ui.OpenProjectList.access$2600(OpenProjectList.java:131)
   at org.netbeans.modules.project.ui.OpenProjectList$8.run(OpenProjectList.java:810)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1973)