Bug 168148 [regression]Table with chart from library fails to preview.[01][0001]
Description: Table with chart from library fails to preview. Build number:2.1.2.v20061215 and 2.2.0.v20061213 Steps to reproduce: 1.Create a library, create a sample DB data source and data set: select * from orders 2.Insert a tabel to the library, bind data set to the table 3.Insert a group for the tabel ,group by "row["OrderDate"]", Interval: Year, Range:1 4.Drag a chart into 3rd cell on group row, bar chart, go to "Select Data" tab , bind data set, X Series:row["OrderDate"], Y Series:row["OrderNumger"]; click "Finish" button 5.Create a new report, use the library 6.Drag the table in the library to the report. 7.Preview in html. Expected Result: Report content displays without errors. Actual result: Error happened while running the report.(same for 2.1.2 and 2.2.0) Error log: org.eclipse.birt.report.service.api.ReportServiceException: Error happened while running the report
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
*            the target library
	 * @param theme
	 *            the theme to insert
	 */
	public static void insertCompatibleThemeToLibrary( Library library,
			Theme theme )
	{
		assert library != null;
		assert theme != null;
		
		
		String name = theme.getName( );
		assert !StringUtil.isBlank( name )
				&& ModelMessages.getMessage( IThemeModel.DEFAULT_THEME_NAME )
						.equals( name );
		NameSpace ns = library.getNameSpace( Module.THEME_NAME_SPACE );
		assert library.getModuleNameSpace( Module.THEME_NAME_SPACE )
				.canContain( name );
		ns.insert( theme );
		
		library.getSlot( ILibraryModel.THEMES_SLOT ).add( theme );
		
		theme.setContainer( library, ILibraryModel.THEMES_SLOT );
	}
	/**
	 * Uses the new name space of the current module for reference property
	 * values of the given element. This method checks the <code>content</code>
	 * and nested elements in it.
	 * 
	 * @param module