nitrael

The error is here:
https://plugins.trac.ww.wp.xz.cn/browser/super-testimonial/trunk/includes/shortcodes/tp-testimonial-pro-shortcode.php#L66
if the underscore will be replaced then it works as expected.

$item_no                       = get_post_meta( $post_id, 'item_no', true) ?: '3';
$itemsdesktop                  = get_post_meta( $post_id, 'itemsdesktop', true) ?: '3';
$itemsdesktopsmall             = get_post_meta( $post_id, 'itemsdesktopsmall', true) ?: '2';
$itemsmobile                   = get_post_meta( $post_id, 'itemsmobile', true) ?: '1';

$item_no                       = get_post_meta( $postid, 'item_no', true) ?: '3';
$itemsdesktop                  = get_post_meta( $postid, 'itemsdesktop', true) ?: '3';
$itemsdesktopsmall             = get_post_meta( $postid, 'itemsdesktopsmall', true) ?: '2';
$itemsmobile                   = get_post_meta( $postid, 'itemsmobile', true) ?: '1';