NPE running Preview Data from Guides View

While testing Import JDBC action guide, ran into NPE running preview data action:

java.lang.NullPointerException
at org.eclipse.core.runtime.Path.append(Path.java:261)
at org.teiid.designer.ui.viewsupport.DesignerPropertiesUtil.getPreviewTargetModel(DesignerPropertiesUtil.java:357)
at org.teiid.designer.ui.viewsupport.DesignerPropertiesUtil.getPreviewTargetObject(DesignerPropertiesUtil.java:374)
at org.teiid.designer.runtime.ui.preview.PreviewDataDialog.createContents(PreviewDataDialog.java:173)
at org.eclipse.jface.window.Window.create(Window.java:432)
at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1104)
at org.eclipse.jface.window.Window.open(Window.java:791)
at org.teiid.designer.runtime.ui.preview.PreviewDataAction.run(PreviewDataAction.java:55)
at org.teiid.designer.advisor.ui.actions.AdvisorActionFactory.executeAction(AdvisorActionFactory.java:590)
at org.teiid.designer.advisor.ui.views.guides.TeiidGuidesSection.launchGuidesAction(TeiidGuidesSection.java:252)
at org.teiid.designer.advisor.ui.views.guides.TeiidGuidesSection.access$1(TeiidGuidesSection.java:244)
at org.teiid.designer.advisor.ui.views.guides.TeiidGuidesSection$3.doubleClick(TeiidGuidesSection.java:153)