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
return;
			}
			
			final IEditorInput input = provider.createNewEditorInput( path );
			setInput( input );
			IRunnableWithProgress op = new IRunnableWithProgress( ) {
				public synchronized final void run( IProgressMonitor monitor )
						throws InvocationTargetException, InterruptedException
				{
					final InvocationTargetException[] iteHolder = new InvocationTargetException[1];
					try
					{
						IWorkspaceRunnable workspaceRunnable = new IWorkspaceRunnable( ) {
							public void run( IProgressMonitor pm )
									throws CoreException
							{
								try
								{
									execute( pm );
								}
								catch ( InvocationTargetException e )
								{
									
									iteHolder[0] = e;
								}
								catch ( InterruptedException e )
								{