java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.intellij.openapi.actionSystem.CommonShortcuts.shortcutsById(CommonShortcuts.java:166)
at com.intellij.openapi.actionSystem.CommonShortcuts.getCloseActiveWindow(CommonShortcuts.java:124)
at com.intellij.openapi.ui.DialogWrapper.registerKeyboardShortcuts(DialogWrapper.java:1698)
at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1654)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1608)
at com.intellij.openapi.ui.Messages$MessageDialog.show(Messages.java:1466)
at com.intellij.openapi.ui.Messages.showIdeaMessageDialog(Messages.java:171)
at com.intellij.openapi.ui.Messages.showDialog(Messages.java:157)
at com.intellij.openapi.ui.MessageDialogBuilder$YesNo.show(MessageDialogBuilder.java:107)
at com.intellij.openapi.application.impl.ApplicationImpl.a(ApplicationImpl.java:931)
at com.intellij.openapi.application.impl.ApplicationImpl.access$900(ApplicationImpl.java:95)
at com.intellij.openapi.application.impl.ApplicationImpl$15.run(ApplicationImpl.java:842)
at com.intellij.openapi.application.impl.ApplicationImpl.exit(ApplicationImpl.java:855)
at com.intellij.openapi.application.impl.ApplicationImpl.exit(ApplicationImpl.java:804)
at com.intellij.openapi.application.impl.ApplicationImpl.exit(ApplicationImpl.java:799)
at com.intellij.openapi.wm.impl.IdeFrameImpl$5$1.run(IdeFrameImpl.java:279)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:345)
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 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)

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