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

java.lang.NullPointerException: 	at org.eclipse.swt.ole.win32.OleAutomation.(OleAutomation.java:124)	at org.eclipse.ui.internal.editorsupport.win32.OleEditor.handleWord(OleEditor.java:404)	at org.eclipse.ui.internal.editorsupport.win32.OleEditor.oleActivate(OleEditor.java:650)	at org.eclipse.ui.internal.editorsupport.win32.OleEditor.activateClient(OleEditor.java:212)	at org.eclipse.ui.internal.editorsupport.win32.OleEditor.access$3(OleEditor.java:210)	at org.eclipse.ui.internal.editorsupport.win32.OleEditor$4.partActivated(OleEditor.java:165)	at org.eclipse.ui.internal.PartListenerList$1.run(PartListenerList.java:72)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.core.runtime.Platform.run(Platform.java:888)	at org.eclipse.ui.internal.PartListenerList.fireEvent(PartListenerList.java:57)	at org.eclipse.ui.internal.PartListenerList.firePartActivated(PartListenerList.java:70)	at org.eclipse.ui.internal.PartService.firePartActivated(PartService.java:187)	at org.eclipse.ui.internal.PartService.setActivePart(PartService.java:306)	at org.eclipse.ui.internal.WorkbenchPagePartList.fireActivePartChanged(WorkbenchPagePartList.java:57)	at org.eclipse.ui.internal.PartList.setActivePart(PartList.java:136)	at org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3636)	at org.eclipse.ui.internal.WorkbenchPage.internalActivate(WorkbenchPage.java:691)	at org.eclipse.ui.internal.WorkbenchPage.activate(WorkbenchPage.java:663)	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2957)	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2850)	at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2842)	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2793)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2789)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2773)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2764)	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)	at ru.runa.gpd.ui.custom.ProcessFileComposite$3.onLinkActivated(ProcessFileComposite.java:74)	at ru.runa.gpd.ui.custom.LoggingHyperlinkAdapter.linkActivated(LoggingHyperlinkAdapter.java:12)	at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleActivate(AbstractHyperlink.java:233)	at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleMouseUp(AbstractHyperlink.java:327)	at org.eclipse.ui.forms.widgets.AbstractHyperlink.access$2(AbstractHyperlink.java:311)	at org.eclipse.ui.forms.widgets.AbstractHyperlink$4.handleEvent(AbstractHyperlink.java:125)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)	at org.eclipse.jface.window.Window.open(Window.java:801)	at ru.runa.gpd.extension.handler.XmlBasedConstructorProvider.showConfigurationDialog(XmlBasedConstructorProvider.java:45)	at ru.runa.gpd.lang.action.OpenDelegableConfigurationDelegate.run(OpenDelegableConfigurationDelegate.java:14)	at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)	at ru.runa.gpd.Application.start(Application.java:17)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)