PhP Error

Your plugin works really well and makes life much easier… however can you help with this PHP Error which I am getting using Query Monitor using PhP 8.2 and WP 6.5.5

Plugin: wen-featured-image, WarningTrying to access array offset on value of type null-

1. wp-content/plugins/wen-featured-image/admin/class-wen-featured-image-admin.php:471
2. Wen_Featured_Image_Admin->get_image_block_html()
   wp-content/plugins/wen-featured-image/admin/class-wen-featured-image-admin.php:517
3. Wen_Featured_Image_Admin->posts_column_content()
   wp-includes/class-wp-hook.php:324
4. do_action('manage_product_posts_custom_column')
   wp-admin/includes/class-wp-posts-list-table.php:1398
5. WP_Posts_List_Table->column_default()
   wp-admin/includes/class-wp-list-table.php:1796
6. WP_List_Table->single_row_columns()
   wp-admin/includes/class-wp-posts-list-table.php:1432
7. WP_Posts_List_Table->single_row()
   wp-admin/includes/class-wp-posts-list-table.php:834
8. WP_Posts_List_Table->_display_rows()
   wp-admin/includes/class-wp-posts-list-table.php:810
9. WP_Posts_List_Table->display_rows()
   wp-admin/includes/class-wp-list-table.php:1706
10. WP_List_Table->display_rows_or_placeholder()
    wp-admin/includes/class-wp-list-table.php:1633
11. WP_List_Table->display()
    wp-admin/edit.php:503

and

1. wp-content/plugins/wen-featured-image/admin/class-wen-featured-image-admin.php:463

1Plugin: wen-featured-image