Bug 191155 Cross table that exoport to library is invalid
Description: Cross table that exoport to library is invalid Step: 1.New a report, new a datasource, dataset and date cute. 2.Insert a cross table and binding the data cute. 3.Drop the dimensions and measures into cross table. 4.Export the report to library 5.New another report and use the library 6.Drop the cross table from library into layout 7.Preview Actual result: The cross table is invalid and pop up the error
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/BoundColumnsMgr.java
dealListing( (ListingElement) child, module );
				else
					dealNonDataContainerReportItem( (ReportItem) child, module );
			}
			if ( child instanceof Cell )
			{
				dealCell( (Cell) child, module );
			}
		}
	}
	/**
	 * Creates bound columns for the list.
	 * 
	 * @param element
	 *            the list
	 * @param module
	 *            the root of list
	 */
	protected void dealList( ListItem element, Module module )
	{
		dealListing( element, module );
		LevelContentIterator contents = new LevelContentIterator( module,
				element, 1 );
		while ( contents.hasNext( ) )
		{
			DesignElement child = (DesignElement) contents.next( );
			if ( child instanceof ListGroup )
			{
				dealListingGroup( (ListGroup) child, module );
				LevelContentIterator grandChildren = new LevelContentIterator(