Other ajax calls seem to be working from this page and other pages.
Related posts do appear on the frontend.
I’m using a depreciated call tool and it’s giving the error
Incorrect Use of YARPP_Cache_Tables::related()
Used in wp-content/plugins/yet-another-related-posts-plugin/class-cache.php on line 99.
reference ID and/or related ID must be set
This message was added in version 3.4.