Fatal error: Uncaught Error: Class 'WC_Shipping_Method' not found in /home/arpi/public_html/angelgorlice/wp-content/plugins/flexible-shipping/src/WPDesk/FS/TableRate/ShippingMethodSingle.php:26 Stack trace: #0 /home/arpi/public_html/angelgorlice/wp-content/plugins/flexible-shipping/vendor/composer/ClassLoader.php(444): include() #1 /home/arpi/public_html/angelgorlice/wp-content/plugins/flexible-shipping/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/home/arpi/publ...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('WPDesk\\FS\\Table...') #3 /home/arpi/public_html/angelgorlice/wp-content/plugins/flexible-shipping/classes/class-flexible-shipping-plugin.php(510): spl_autoload_call('WPDesk\\FS\\Table...') #4 /home/arpi/public_html/angelgorlice/wp-content/plugins/flexible-shipping/classes/class-flexible-shipping-plugin.php(499): Flexible_Shipping_Plugin->prepare_shoud_display_for_flexible_shipping() #5 /home/arpi/public_html/angelgorlice/wp-content/plugins/flexible-shipping/classes/cla in /home/arpi/public_html/angelgorlice/wp-content/plugins/flexible-shipping/src/WPDesk/FS/TableRate/ShippingMethodSingle.php on line 26