Bug 121687 Exception throws when export data in table which inside a grid cell.
Description: Exception throws when export data in table which inside a grid cell. Steps to reproduce: 1. insert a grid. 2. insert one table to one grid cell. 3. insert another table to the other grid cell. 4. export data in two tables. Expected result: Data are exported. Actual result: Exception in: ReportEngineService.getMetaData( )
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/Report.java
*            The basePath to set.
	 */
	public void setBasePath( String basePath )
	{
		this.basePath = basePath;
	}
	public StyleDeclaration getDefaultStyle( )
	{
		return defaultStyle;
	}
	public void setDefaultStyle( StyleDeclaration defaultStyle )
	{
		this.defaultStyle = defaultStyle;
	}
	/**
	 * the name of Report root style
	 */
	public String getRootStyleName( )
	{
		return rootStyleName;
	}
	public void setRootStyleName( String rootStyleName )
	{
		this.rootStyleName = rootStyleName;
	}
	public List getErrors( )
	{
		return this.reportDesign.getErrorList( );
	}
}