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/ParameterGroupFragment.java
import org.eclipse.birt.report.service.api.ParameterDefinition;
import org.eclipse.birt.report.service.api.ParameterGroupDefinition;
import org.eclipse.birt.report.presentation.aggregation.BirtBaseFragment;
import org.eclipse.birt.report.presentation.aggregation.IFragment;
import org.eclipse.birt.report.context.ParameterGroupBean;
import org.eclipse.birt.report.context.ViewerAttributeBean;
import org.eclipse.birt.report.utility.ParameterAccessor;
/**
 * Fragment help rendering parameter group.
 * <p>
 * 
 * @see BaseFragment
 */
public class ParameterGroupFragment extends BirtBaseFragment
{
	/**
	 * Reference to the real parameter group definition.
	 */
	protected ParameterGroupDefinition parameterGroup = null;
	/**
	 * Protected constructor.
	 * 
	 * @param parameterGroup
	 *            parameter group definition reference.
	 */
	public ParameterGroupFragment( ParameterGroupDefinition parameterGroup )
	{
		this.parameterGroup = parameterGroup;
	}
	/**