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
* @param baseRowNumber
	 *            The row position in the table.
	 * @throws SemanticException
	 */
	public void insertRows( int rowCount, int baseRowNumber )
			throws SemanticException
	{
		transStar( TRANS_LABEL_INSERT_ROW );
		int absoluteCount = Math.abs( rowCount );
		int sign = rowCount / absoluteCount;
		for ( int i = 0; i < absoluteCount; i++ )
		{
			insertRow( sign, baseRowNumber );
		}
		transEnd( );
	}
	/**
	 * Insert a column to a specific position.
	 * 
	 * @param columnNumber
	 *            The column insert sign. 1 insert after position. -1 insert
	 *            before position
	 * @param parentColumnNumber
	 *            The column number of parent.
	 * @throws SemanticException
	 */
	public void insertColumn( int columnNumber, int parentColumnNumber )
			throws SemanticException
	{
		transStar( TRANS_LABEL_INSERT_COLUMN );