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java.lang.NullPointerException: 	at org.intellij.plugins.ceylon.ide.settings.CeylonConfigurable.isModified(CeylonConfigurable.java:104)	at com.intellij.openapi.options.ex.ConfigurableWrapper.isModified(ConfigurableWrapper.java:177)	at com.intellij.openapi.options.newEditor.SettingsEditor.checkModifiedInternal(SettingsEditor.java:414)	at com.intellij.openapi.options.newEditor.SettingsEditor.checkModifiedForItem(SettingsEditor.java:408)	at com.intellij.openapi.options.newEditor.SettingsEditor.checkModified(SettingsEditor.java:396)	at com.intellij.openapi.options.newEditor.SettingsEditor$5.updateCurrent(SettingsEditor.java:187)	at com.intellij.openapi.options.newEditor.ConfigurableEditor.updateIfCurrent(ConfigurableEditor.java:243)	at com.intellij.openapi.options.newEditor.ConfigurableEditor$4.run(ConfigurableEditor.java:200)	at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:333)	at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:323)	at com.intellij.util.ui.update.MergingUpdateQueue$3.run(MergingUpdateQueue.java:267)	at com.intellij.util.ui.UIUtil.invokeLaterIfNeeded(UIUtil.java:2405)	at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:279)	at com.intellij.util.ui.update.MergingUpdateQueue.run(MergingUpdateQueue.java:234)	at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)	at com.intellij.util.Alarm$Request$1.run(Alarm.java:378)	at com.intellij.util.Alarm$Request.run(Alarm.java:398)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at com.intellij.util.concurrency.SchedulingWrapper$MyScheduledFutureTask.run(SchedulingWrapper.java:227)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)	at java.awt.EventQueue.access$500(EventQueue.java:97)	at java.awt.EventQueue$3.run(EventQueue.java:709)	at java.awt.EventQueue$3.run(EventQueue.java:703)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:857)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:658)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:386)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)	at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)	at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)	at java.security.AccessController.doPrivileged(Native Method)	at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)	at java.awt.Dialog.show(Dialog.java:1084)	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:792)	at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:465)	at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1661)	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1610)	at com.intellij.openapi.options.newEditor.SettingsDialog.access$001(SettingsDialog.java:41)	at com.intellij.openapi.options.newEditor.SettingsDialog$1.run(SettingsDialog.java:80)	at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:37)	at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)	at com.intellij.openapi.options.newEditor.SettingsDialog.show(SettingsDialog.java:77)	at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:94)	at com.intellij.ide.MacOSApplicationProvider$Worker$1.handlePreferences(MacOSApplicationProvider.java:106)	at com.apple.eawt._AppEventLegacyHandler$2.dispatchEvent(_AppEventLegacyHandler.java:106)	at com.apple.eawt._AppEventLegacyHandler.sendEventToEachListenerUntilHandled(_AppEventLegacyHandler.java:184)	at com.apple.eawt._AppEventLegacyHandler.handlePreferences(_AppEventLegacyHandler.java:104)	at com.apple.eawt._AppEventHandler$_PreferencesDispatcher.performUsing(_AppEventHandler.java:263)	at com.apple.eawt._AppEventHandler$_PreferencesDispatcher.performUsing(_AppEventHandler.java:254)	at com.apple.eawt._AppEventHandler$_AppEventDispatcher$1.run(_AppEventHandler.java:516)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)	at java.awt.EventQueue.access$500(EventQueue.java:97)	at java.awt.EventQueue$3.run(EventQueue.java:709)	at java.awt.EventQueue$3.run(EventQueue.java:703)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:857)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:658)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:386)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)