Error in serverlog

We zien de volgende error terugkomen in de error log op serverniveau:

[Mon Aug 24 19:02:19.318148 2020] [php7:warn] [pid 20959] [client 82.95.69.203:0] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /home/magneetjeswink/domains/magneetjeswinkel.nl/public_html/wp-content/plugins/kiyoh-customerreview/functions.php on line 202, referer: https://magneetjeswinkel.nl/wp-admin/edit.php?post_status=wc-wordt-ingepakt&post_type=shop_order