Fatal error: Uncaught Error: Class 'WC_REST_Controller' not found in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-shipment-tracking/includes/api/class-wc-shipment-tracking-rest-api-controller.php:11 Stack trace: #0 {main} thrown in /home/adaptyo3/public_html/wp-content/plugins/woocommerce-shipment-tracking/includes/api/class-wc-shipment-tracking-rest-api-controller.php on line 11