Fatal error: Uncaught Error: Using $this when not in object context in /home/bucketlisted/public_html/wp-content/plugins/optinmonster/views/woocommerce-marketing-card.php:9 Stack trace: #0 {main} thrown in /home/bucketlisted/public_html/wp-content/plugins/optinmonster/views/woocommerce-marketing-card.php on line 9