java.lang.AssertionError: #46802: project being closed which was never opened?? NbModuleProject[/space/ergonomics/core.ide@39df3501:129ec57] at org.netbeans.modules.apisupport.project.NbModuleProject$OpenedHook.projectClosed(NbModuleProject.java:714) 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:1136) at org.netbeans.modules.project.ui.OpenProjectList.access$2600(OpenProjectList.java:131) at org.netbeans.modules.project.ui.OpenProjectList$8.run(OpenProjectList.java:807) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)