Bug 118750 Insert group for table from library, system throws exception.
Insert group for table from library, system throws exception. Steps: 1.Insert a tabel from library 2.Insert group Actual Results: 1.System throws exception A Birt exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:1.0.1 Error Code:Error.ContentException.STRUCTURE_CHANGE_FORBIDDEN Error Message:Element "report.Body[1]" is child element or a virtual element( inside the child ), can not change its structure. Expected Results: 1.Can be inserted group
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/core/model/schematic/TableHandleAdapter.java
* @return
	 */
	public TableHandleAdapter.RowUIInfomation getRowInfo( Object row )
	{
		if ( checkDirty( ) )
		{
			reload( );
		}
		return (TableHandleAdapter.RowUIInfomation) rowInfo.get( row );
	}
	/**
	 * 
	 * @see org.eclipse.birt.designer.core.facade.DesignElementHandleAdapter#reload()
	 */
	public void reload( )
	{
		super.reload( );
		initRowsInfo( );
		if ( getModelAdaptHelper( ) != null )
		{
			getModelAdaptHelper( ).markDirty( false );
		}
	}
	/**
	 * Gets the all columns list.
	 * 
	 * @return The columns list.
	 */
	public List getColumns( )
	{