Fatal error: Uncaught Error: Class 'WC_Shipping_Method' not found in /home/pubconcom/public_html/wp-content/plugins/wc-multivendor-marketplace/includes/shipping-gateways/class-wcfmmp-shipping-by-zone.php:12 Stack trace: #0 {main} thrown in /home/pubconcom/public_html/wp-content/plugins/wc-multivendor-marketplace/includes/shipping-gateways/class-wcfmmp-shipping-by-zone.php on line 12