Bug 132914 "Invalid page number" error message is hard coded.
"Invalid page number" error message is hard coded in DocumentProcessor.java. This must be externalized into *.properties file. If there are other hard coded error messages, please also externalize.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/AbstractGetCascadeParameterActionHandler.java
}
		return selectionList;
	}
	protected abstract void handleUpdate( CascadeParameter cascadeParameter );
	private Map getParameterSelectionLists( IViewerReportDesignHandle design,
			Map params, InputOptions options ) throws ReportServiceException
	{
		if ( params == null || params.size( ) == 0 )
			return new HashMap( );
		List[] listArray = null;
		Map ret = new HashMap( );
		List remainingParamNames = new ArrayList( );
		String firstName = (String) params.keySet( ).iterator( ).next( );
		Collection paramDefs = getReportService( ).getParameterDefinitions(
				design, options, false );
		ParameterDefinition paramDef = null;
		for ( Iterator it = paramDefs.iterator( ); it.hasNext( ); )
		{
			ParameterDefinition temp = (ParameterDefinition) it.next( );
			if ( temp.getName( ).equals( firstName ) )
			{
				paramDef = temp;
				break;
			}
		}
		if ( paramDef == null )
		{
			throw new ReportServiceException( "Invalid parameter: " + firstName );
		}
		ParameterGroupDefinition group = paramDef.getGroup( );