After pressing OK in the TODO configuration panel after having changed a TODO item the 'Updating index' progress indicator is shown. And shortly after it has appeared this exception is thrown:
Do not log ProcessCanceledException. Logged at:
java.lang.Throwable
at com.intellij.idea.IdeaLogger.error(IdeaLogger.java:62)
at com.intellij.openapi.diagnostic.Logger.error(Logger.java:56)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:92)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:37)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:15)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
at java.awt.Dialog$1.run(Dialog.java:1046)
at java.awt.Dialog$3.run(Dialog.java:1098)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Dialog.show(Dialog.java:1096)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:118)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:51)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:812)
at com.intellij.openapi.options.ex.ControlPanelSettingsEditor.b(ControlPanelSettingsEditor.java:131)
at com.intellij.openapi.options.ex.ControlPanelSettingsEditor.access$300(ControlPanelSettingsEditor.java:137)
at com.intellij.openapi.options.ex.ControlPanelSettingsEditor$MyActionButton$1.mouseReleased(ControlPanelSettingsEditor.java:2)
at java.awt.Component.processMouseEvent(Component.java:6134)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5899)
at java.awt.Container.processEvent(Container.java:2023)
at java.awt.Component.dispatchEventImpl(Component.java:4501)
at java.awt.Container.dispatchEventImpl(Container.java:2081)
at java.awt.Component.dispatchEvent(Component.java:4331)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4299)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3963)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3893)
at java.awt.Container.dispatchEventImpl(Container.java:2067)
at java.awt.Window.dispatchEventImpl(Window.java:2458)
at java.awt.Component.dispatchEvent(Component.java:4331)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:26)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:37)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:15)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
at java.awt.Dialog$1.run(Dialog.java:1046)
at java.awt.Dialog$3.run(Dialog.java:1098)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Dialog.show(Dialog.java:1096)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:118)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:51)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:812)
at com.intellij.ide.actions.ShowSettingsUtilImpl.showControlPanelOptions(ShowSettingsUtilImpl.java:19)
at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:48)
at com.intellij.ide.actions.ShowSettingsAction.actionPerformed(ShowSettingsAction.java:2)
at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:73)
at com.intellij.openapi.actionSystem.impl.ActionButton.a(ActionButton.java:95)
at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:69)
at java.awt.Component.processEvent(Component.java:5899)
at java.awt.Container.processEvent(Container.java:2023)
at java.awt.Component.dispatchEventImpl(Component.java:4501)
at java.awt.Container.dispatchEventImpl(Container.java:2081)
at java.awt.Component.dispatchEvent(Component.java:4331)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4299)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3963)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3893)
at java.awt.Container.dispatchEventImpl(Container.java:2067)
at java.awt.Window.dispatchEventImpl(Window.java:2458)
at java.awt.Component.dispatchEvent(Component.java:4331)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:26)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:37)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:15)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)