Bug 179676 [regression]Error when report has chart in master page[05]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/internal/executor/l18n/LocalizedReportExecutor.java
if ( childExecutor != null )
		{
			return manager.createExecutor( childExecutor );
		}
		return null;
	}
	public boolean hasNextChild( )
	{
		return executor.hasNextChild( );
	}
	public IPageContent createPage( long pageNumber, MasterPageDesign pageDesign )
	{
		IPageContent pageContent = executor.createPage( pageNumber, pageDesign );
		if ( pageContent != null )
		{
			l18nVisitor.localize( pageContent );
		}
		return pageContent;
	}
	public void execute( ReportDesignHandle reportDesign,
			IContentEmitter emitter )
	{
		IReportContent reportContent = execute( );
		if ( emitter != null )
		{
			emitter.start( reportContent );
		}
		while ( hasNextChild( ) )
		{
			IReportItemExecutor executor = getNextChild( );