java.lang.UnsupportedOperationException: not running in regular module system, cannot restart
   at org.netbeans.core.startup.ModuleLifecycleManager.markReadyForRestart(ModuleLifecycleManager.java:124)
   at org.netbeans.core.startup.ModuleSystem.markForRestart(ModuleSystem.java:518)
   at org.netbeans.core.NbLifecycleManager.markForRestart(NbLifecycleManager.java:231)
   at org.netbeans.modules.options.export.OptionsChooserPanel.showImportDialog(OptionsChooserPanel.java:334)
   at org.netbeans.modules.options.OptionsDisplayerImpl$4.actionPerformed(OptionsDisplayerImpl.java:283)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:269)
   at java.awt.Component.processMouseEvent(Component.java:6578)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3343)
   at java.awt.Component.processEvent(Component.java:6343)
   at java.awt.Container.processEvent(Container.java:2259)
   at java.awt.Component.dispatchEventImpl(Component.java:4961)
   at java.awt.Container.dispatchEventImpl(Container.java:2317)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4904)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4539)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4480)
   at java.awt.Container.dispatchEventImpl(Container.java:2303)
   at java.awt.Window.dispatchEventImpl(Window.java:2758)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:717)
   at java.awt.EventQueue$3.run(EventQueue.java:711)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:99)
   at java.awt.EventQueue$4.run(EventQueue.java:739)
   at java.awt.EventQueue$4.run(EventQueue.java:737)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)