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java.lang.NullPointerException: 	at com.intellij.application.options.codeStyle.CodeStyleMainPanel.a(CodeStyleMainPanel.java:219)	at com.intellij.application.options.codeStyle.CodeStyleMainPanel.a(CodeStyleMainPanel.java:215)	at com.intellij.application.options.codeStyle.CodeStyleMainPanel.access$000(CodeStyleMainPanel.java:43)	at com.intellij.application.options.codeStyle.CodeStyleMainPanel$3.run(CodeStyleMainPanel.java:144)	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.h(IdeEventQueue.java:861)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:662)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:390)	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:1670)	at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1608)	at com.intellij.openapi.options.newEditor.SettingsDialog.access$001(SettingsDialog.java:42)	at com.intellij.openapi.options.newEditor.SettingsDialog$1.run(SettingsDialog.java:81)	at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:37)	at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)	at com.intellij.openapi.options.newEditor.SettingsDialog.show(SettingsDialog.java:78)	at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:94)	at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:65)	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:197)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter$1.run(ActionMenuItem.java:311)	at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:958)	at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:124)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:281)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:109)	at com.intellij.ui.plaf.beg.BegMenuItemUI.a(BegMenuItemUI.java:513)	at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:45)	at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:533)	at java.awt.Component.processMouseEvent(Component.java:6535)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)	at java.awt.Component.processEvent(Component.java:6300)	at java.awt.Container.processEvent(Container.java:2236)	at java.awt.Component.dispatchEventImpl(Component.java:4891)	at java.awt.Container.dispatchEventImpl(Container.java:2294)	at java.awt.Component.dispatchEvent(Component.java:4713)	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)	at java.awt.Container.dispatchEventImpl(Container.java:2280)	at java.awt.Window.dispatchEventImpl(Window.java:2750)	at java.awt.Component.dispatchEvent(Component.java:4713)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)	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.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)	at java.awt.EventQueue$4.run(EventQueue.java:731)	at java.awt.EventQueue$4.run(EventQueue.java:729)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)	at com.intellij.ide.IdeEventQueue.h(IdeEventQueue.java:861)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:658)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:390)	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)