problem

Hi

Why this not working:
previous_post_link_plus( array('end_post' => true,'in_same_tax' => true,'return' => 'id'));

echo 'First Post:';
$first = previous_post_link_plus( array('end_post' => true,'in_same_tax' => true,'return' => 'id'));
echo $first;

https://www.ads-software.com/plugins/ambrosite-nextprevious-post-link-plus/