Eclipse Juno SR2 throws exceptions for option "Generate File Translator Procedures"

Alert appears while creating new Teiid Metadata Model (Relational source model), option Generate File Translator Procedures: when I leave all default options and click Finish, model is created, however an alert appears:

Error creating XML documents
Failed to execute runnable (java.lang.NoSuchMethodError: org.eclipse.ui.internal.PopupMenuExtender.<init>(Ljava/lang/String;Lorg/eclipse/jface/action/MenuManager;Lorg/eclipse/jface/viewers/ISelectionProvider;Lorg/eclipse/ui/IWorkbenchPart;)V)

and next:
Error creating XML documents
Could not create new module due to Exception: java.lang.NullPointerException

Eclipse console:
Exception in thread "org.teiid.designer.ui.common.viewsupport.UiBusyIndicator runnable parent thread" org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NoSuchMethodError: org.eclipse.ui.internal.PopupMenuExtender.<init>(Ljava/lang/String;Lorg/eclipse/jface/action/MenuManager;Lorg/eclipse/jface/viewers/ISelectionProvider;Lorg/eclipse/ui/IWorkbenchPart;)V)
at org.eclipse.swt.SWT.error(SWT.java:4361)
at org.eclipse.swt.SWT.error(SWT.java:4276)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:196)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4299)
at org.teiid.designer.ui.common.viewsupport.UiBusyIndicator$2.run(UiBusyIndicator.java:202)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NoSuchMethodError: org.eclipse.ui.internal.PopupMenuExtender.<init>(Ljava/lang/String;Lorg/eclipse/jface/action/MenuManager;Lorg/eclipse/jface/viewers/ISelectionProvider;Lorg/eclipse/ui/IWorkbenchPart;)V