Update broke a gallery on my website as well.
Here is the main parts of the gallery page code:
global $nggdb;
$gid = gpm($post->ID, ‘wpcf-nextgen-gallery-id’); //alias for get post meta
$galleries = $nggdb->find_all_galleries();
$images = $nggdb->get_gallery($gid, ‘sortorder’, ‘ASC’, true, 0, 0);
foreach($images as $image) { ?>
<img src=”<?php echo $image->imageURL; ?>”
If I print the $image object the imageURL property is there, but empty. Several images appear broken in the backend now too, probably about 80% of them.