java.lang.IllegalArgumentException: NB_REPORTER_IGNORE: Project rwandaregistration is not open and cannot be set as main. at org.netbeans.modules.project.ui.OpenProjectList.setMainProject(OpenProjectList.java:782) at org.netbeans.modules.project.ui.OpenProjectsTrampolineImpl.setMainProject(OpenProjectsTrampolineImpl.java:119) at org.netbeans.api.project.ui.OpenProjects.setMainProject(OpenProjects.java:218) at org.netbeans.modules.projectimport.eclipse.core.ImportProjectAction$1.actionPerformed(ImportProjectAction.java:128) at javax.swing.Timer.fireActionPerformed(Timer.java:271) at javax.swing.Timer$DoPostEvent.run(Timer.java:201) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178) at java.awt.Dialog$1.run(Dialog.java:1046) at java.awt.Dialog$3.run(Dialog.java:1098) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1096) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:863) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:897) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:885) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:109) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:870) at java.awt.Component.show(Component.java:1447) at java.awt.Component.setVisible(Component.java:1400) at java.awt.Window.setVisible(Window.java:824) at java.awt.Dialog.setVisible(Dialog.java:986) at org.netbeans.modules.projectimport.eclipse.core.ImportProjectAction.performImport(ImportProjectAction.java:137) at org.netbeans.modules.projectimport.eclipse.core.ImportProjectAction.performAction(ImportProjectAction.java:83) at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:118) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:77) at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:114) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.AbstractButton.doClick(AbstractButton.java:357) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1220) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1261) at java.awt.Component.processMouseEvent(Component.java:6134) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5899) at java.awt.Container.processEvent(Container.java:2023) at java.awt.Component.dispatchEventImpl(Component.java:4501) at java.awt.Container.dispatchEventImpl(Container.java:2081) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4299) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3963) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3893) at java.awt.Container.dispatchEventImpl(Container.java:2067) at java.awt.Window.dispatchEventImpl(Window.java:2458) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)