Illegal string offset ‘name’ in 1.7.x

Since updating to 1.7.1 my site keeps showing the below error in the PHP file as per the below:
—
altoqs-co-uk.stackstaging.com [Mon Oct 04 20:03:33 2021] [error] [client xx.xxx.xx.xx] AH01071: Got error ‘PHP message: PHP Warning: Illegal string offset ‘name’ in /home/sites/19a/b/b9242b66c0/public_html/wp-content/plugins/navz-photo-gallery/includes/acf_photo_gallery.php on line 10′
—
PHP Code:

<?php
$pid = get_the_id();
$images = acf_photo_gallery('photo_gallery', $pid);
if(count($images)):
	foreach($images as $image):
		$full_image_url= $image['full_image_url'];
		$id = $image['id'];
?>
<div class="swiper-slide rental-gallery">
    <img alt="" class="rental-gallery-img" src=<?php echo $full_image_url; ?>>
</div>
<?php
endforeach;
endif;
?>