Bug 153038 NPE when delete master page content in old report design.
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/layout/ReportEditorWithPalette.java
public Object getAdapter( Class type )
	{
		if ( type == IContentOutlinePage.class )
		{
			
			
			
			
			
			DesignerOutlinePage outlinePage = new DesignerOutlinePage( getModel( ) );
			manager.addModelEventProcessor( outlinePage.getModelProcessor( ) );
			return outlinePage;
		}