Fatal error: Uncaught Error: Class 'WC_Shipping_Method' not found in /home/tobarimy/public_html/wfarm/wp-content/plugins/ongkoskirim-id/includes/class-ongkoskirim-id-shipping-method.php:16 Stack trace: #0 {main} thrown in /home/tobarimy/public_html/wfarm/wp-content/plugins/ongkoskirim-id/includes/class-ongkoskirim-id-shipping-method.php on line 16