Unhandled event loop exception when creating Relational View Procedure

When trying to create a Relational View Procedure, the dialog is not shown and the following error is logged:

!ENTRY org.eclipse.ui 4 0 2014-09-02 13:22:44.784
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.NullPointerException
at org.teiid.designer.transformation.ui.editors.ViewProcedureEditorPanel.createParameterTableGroup(ViewProcedureEditorPanel.java:884)
at org.teiid.designer.transformation.ui.editors.ViewProcedureEditorPanel.createParametersTab(ViewProcedureEditorPanel.java:154)
at org.teiid.designer.transformation.ui.editors.ViewProcedureEditorPanel.createPanel(ViewProcedureEditorPanel.java:132)
at org.teiid.designer.relational.ui.edit.RelationalEditorPanel.<init>(RelationalEditorPanel.java:69)
at org.teiid.designer.transformation.ui.editors.ViewProcedureEditorPanel.<init>(ViewProcedureEditorPanel.java:108)
at org.teiid.designer.transformation.ui.editors.TransformationDialogModel.getEditorPanel(TransformationDialogModel.java:43)
at org.teiid.designer.relational.ui.editor.EditRelationalObjectDialog.createDialogArea(EditRelationalObjectDialog.java:81)
at org.eclipse.jface.dialogs.TitleAreaDialog.createContents(TitleAreaDialog.java:158)
at org.teiid.designer.relational.ui.editor.EditRelationalObjectDialog.createContents(EditRelationalObjectDialog.java:108)
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.transformation.ui.actions.CreateViewProcedureAction.run(CreateViewProcedureAction.java:181)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:499)
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:1392)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3742)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3363)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:140)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:611)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
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:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
at org.eclipse.equinox.launcher.Main.main(Main.java:1426)