Fatal error: Uncaught Error: Using $this when not in object context in /home/malvernj/public_html/wp-content/plugins/event-tickets-plus/src/admin-views/woocommerce-metabox-capacity.php:7 Stack trace: #0 {main} thrown in /home/malvernj/public_html/wp-content/plugins/event-tickets-plus/src/admin-views/woocommerce-metabox-capacity.php on line 7