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/presentation/aggregation/parameter/ComboBoxParameterFragment.java
parameterBean.setValueInList( true );
				}
			}
		}
	}
	private Collection getParameterSelectionListForCascadingGroup(
			IViewerReportDesignHandle design, IViewerReportService service,
			Map paramValues, InputOptions options )
			throws ReportServiceException
	{
		ParameterGroupDefinition group = (ParameterGroupDefinition) parameter
				.getGroup( );
		int index = group.getParameters( ).indexOf( parameter );
		Object[] groupKeys = new Object[index];
		for ( int i = 0; i < index; i++ )
		{
			ParameterDefinition def = (ParameterDefinition) group
					.getParameters( ).get( i );
			String parameterName = def.getName( );
			groupKeys[i] = paramValues.get( parameterName );
			if ( groupKeys[i] == null )
			{
				groupKeys[i] = service.getParameterDefaultValue( design,
						parameterName, options );
			}
		}
		return service.getSelectionListForCascadingGroup( design, group
				.getName( ), groupKeys, options );
	}
}