title: index 1 beyond bounds [0 .. 0] Crashing while scrolls down
body: <p>I have five sections in my tableview.In my (section==4) I displaying from my array.When I scrolls down it will be crashing</p>
  
  <pre><code>*** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[__NSArrayI objectAtIndex:]: index 1 beyond bounds [0 .. 0]'
  </code></pre>
  
  <p>my code:</p>
  
  <pre><code>- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
   if (section == 4) {
       return [mandArray count];
     }
  }
  - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
   if (indexPath.section == 4) {
      [self.label setNumberOfLines:10];
      [self.label setText:[NSString stringWithFormat:@"%i. %@",indexPath.row + 1,[mandArray objectAtIndex:indexPath.row]]];
      [cell.contentView addSubview:label];
      }
      return cell;
  }
  
  - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
  if (indexPath.section==4){
      return [mandArray count] *20;
     }
  }
  </code></pre>