Requality

1. в документе выделаем часть текста, на ней вызываем контекстное меню и выбираем пункт "Add to requirement...". В открывшемся окне кликаем по дереву требований (по любому узлу), возникает окно с сообщением об ошибке.
В Error log:

eclipse.buildId=4.4.1.M20140925-0400
java.version=1.8.0_101
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=ru_RU
Framework arguments:  -product org.eclipse.epp.package.standard.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.standard.product

org.eclipse.jface
Error
Fri Nov 11 16:56:09 MSK 2016
Problems occurred when invoking code from plug-in: "org.eclipse.jface".

java.lang.NullPointerException
    at com.unitesk.requality.core.domproxy.LinkResolver.resolvePath(LinkResolver.java:297)
    at com.unitesk.requality.core.TreeDB.getNode(TreeDB.java:690)
    at com.unitesk.requality.core.TreeDB.getNode(TreeDB.java:680)
    at com.unitesk.requality.nodetypes.Requirement.getLocation(Requirement.java:98)
    at com.unitesk.requality.eclipse.editors.browser.AddSelectionToRequirement$1.canSelect(AddSelectionToRequirement.java:172)
    at com.unitesk.requality.eclipse.ui.dialogs.TreeViewerDialog.updateUI(TreeViewerDialog.java:123)
    at com.unitesk.requality.eclipse.ui.dialogs.SelectNodeDialog.select(SelectNodeDialog.java:325)
    at com.unitesk.requality.eclipse.ui.dialogs.SelectNodeDialog$NodeSelectionListener.selectionChanged(SelectNodeDialog.java:73)
    at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:163)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178)
    at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
    at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2171)
    at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1202)
    at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1231)
    at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:242)
    at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:236)
    at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:408)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
    at org.eclipse.jface.window.Window.runEventLoop(Window.java:832)
    at org.eclipse.jface.window.Window.open(Window.java:808)
    at com.unitesk.requality.eclipse.ui.dialogs.SelectNodeDialog.open(SelectNodeDialog.java:197)
    at com.unitesk.requality.eclipse.editors.browser.AddSelectionToRequirement.createTargetRequirement(AddSelectionToRequirement.java:181)
    at com.unitesk.requality.eclipse.editors.browser.AddSelectionToRequirement.run(AddSelectionToRequirement.java:127)
    at org.eclipse.jface.action.Action.runWithEvent(Action.java:519)
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
    at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
    at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
    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:648)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1465)