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/dialog/ParameterDialogFragment.java
if ( parameters != null )
		{
			Iterator iParameters = parameters.iterator( );
			while ( iParameters != null && iParameters.hasNext( ) )
			{
				Object parameter = iParameters.next( );
				if ( parameter == null )
				{
					continue;
				}
				IFragment fragment = null;
				if ( parameter instanceof ParameterGroupDefinition )
				{
					fragment = new ParameterGroupFragment(
							(ParameterGroupDefinition) parameter );
				}
				else if ( parameter instanceof ParameterDefinition )
				{
					ParameterDefinition scalarParameter = (ParameterDefinition) parameter;
					if ( !scalarParameter.isHidden( ) )
					{
						switch ( scalarParameter.getControlType( ) )
						{
							case ParameterDefinition.TEXT_BOX :
							{
								fragment = new TextBoxParameterFragment(
										scalarParameter );
								break;
							}
							case ParameterDefinition.LIST_BOX :