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java.lang.NullPointerException: 	at com.microsoft.alm.plugin.idea.tfvc.core.TFSProjectConfigurable.isModified(TFSProjectConfigurable.java:44)	at com.intellij.openapi.vcs.configurable.VcsManagerConfigurable$2.isModified(VcsManagerConfigurable.java:183)	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:392)	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$3.run(MergingUpdateQueue.java:267)	at com.intellij.util.ui.UIUtil.invokeLaterIfNeeded(UIUtil.java:2440)	at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:279)	at com.intellij.util.ui.update.MergingUpdateQueue.run(MergingUpdateQueue.java:234)	at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:238)	at com.intellij.util.Alarm$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$1.run(SettingsDialog.java:80)	at com.intellij.openapi.project.DumbPermissionServiceImpl.allowStartingDumbModeInside(DumbPermissionServiceImpl.java:37)	at com.intellij.openapi.project.DumbService.allowStartingDumbModeInside(DumbService.java:283)	at com.intellij.openapi.options.newEditor.SettingsDialog.show(SettingsDialog.java:77)	at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:94)	at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:65)	at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:191)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter$1.run(ActionMenuItem.java:312)	at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:958)	at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:124)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:282)	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)	at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:110)	at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(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:6533)	at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)	at java.awt.Component.processEvent(Component.java:6298)	at java.awt.Container.processEvent(Container.java:2236)	at java.awt.Component.dispatchEventImpl(Component.java:4889)	at java.awt.Container.dispatchEventImpl(Container.java:2294)	at java.awt.Component.dispatchEvent(Component.java:4711)	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:2746)	at java.awt.Component.dispatchEvent(Component.java:4711)	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.defaultDispatchEvent(IdeEventQueue.java:857)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:654)	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)