Fatal error: Uncaught Error: Class "WC_Shipping_Method" not found in /home/samipe/public_html/wp-content/plugins/flexible-shipping/classes/table-rate/shipping-method.php:16
Stack trace:
#0 {main}
thrown in /home/samipe/public_html/wp-content/plugins/flexible-shipping/classes/table-rate/shipping-method.php on line 16