app crash when click on back
<p>When i navigate on click row i push the poinofinterestview but when i click back app crash.
but if i comment [nextControllerp release]; it works or 5 or 6 time then it crashes</p>

<pre><code>(void)tableView:(UITableView *)TableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

[TableView deselectRowAtIndexPath:indexPath animated:YES];

PointOfInterest *nextControllerp=[[PointOfInterest alloc] initWithNibName:@"PointOfInterest" bundle:nil]; 
        if([LocationList count]!=0 &amp;&amp; [LocationListId count]!=0) 
        { 
          nextControllerp.locName=[LocationList objectAtIndex:indexPath.row]; 
          nextControllerp.LocationId=[LocationListId objectAtIndex:indexPath.row]; 
          [self.navigationController pushViewController:nextControllerp animated:YES];
       } 
[nextControllerp release];

UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:nil action:nil]; 
self.navigationItem.backBarButtonItem=backButton;

 [backButton release];
}
</code></pre>
