     
     // MARK: - ColumnarCollectionViewLayoutDelegate
     override func collectionView(_ collectionView: UICollectionView, estimatedHeightForHeaderInSection section: Int, forColumnWidth columnWidth: CGFloat) -> ColumnarCollectionViewLayoutHeightEstimate {
+        guard section > 0 else {
+            return super.collectionView(collectionView, estimatedHeightForHeaderInSection: section, forColumnWidth: columnWidth)
+        }
         return ColumnarCollectionViewLayoutHeightEstimate(precalculated: false, height: headerTitle(for: section) == nil ? 0 : 57)
     }
     

        guard let placeholderCell = layoutManager.placeholder(forCellWithReuseIdentifier: NewsViewController.cellReuseIdentifier) as? NewsCollectionViewCell else {
            return estimate
        }
        let story = stories[indexPath.section]
        placeholderCell.layoutMargins = layout.itemLayoutMargins
        placeholderCell.configure(with: story, dataStore: dataStore, theme: theme, layoutOnly: true)
        estimate.height = placeholderCell.sizeThatFits(CGSize(width: columnWidth, height: UIViewNoIntrinsicMetric), apply: false).height

            return nil
        }
        
        guard let story = story(for: indexPath.section), let previews = story.articlePreviews, index < previews.count else {
            return nil
        }
        
