Fatal error: Uncaught Error: Undefined constant "PPOM\Admin\ABSPATH" in /home/successforkids/public_html/wp-content/plugins/woocommerce-product-addon/src/Admin/FieldGroupFieldsListTable.php:14 Stack trace: #0 {main} thrown in /home/successforkids/public_html/wp-content/plugins/woocommerce-product-addon/src/Admin/FieldGroupFieldsListTable.php on line 14