Fatal error: Uncaught Error: Class 'ship_per_product' not found in /wp-content/plugins/ship-per-product/includes/class-ship-per-product.php:222 Stack trace: #0 /wp-includes/class-wp-hook.php(308): Ced_ship_per_product->ced_spp_woocommerce_custom_surcharge(Object(WC_Cart)) #1 /wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #2 /wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /wp-content/plugins/woocommerce/includes/class-wc-cart.php(1888): do_action('woocommerce_car...', Object(WC_Cart)) #4 /wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(272): WC_Cart->calculate_fees() #5 /wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(833): WC_Cart_Totals->get_fees_from_cart() #6 /wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(145): WC_Cart_Totals->calculate_fee_totals() #7 /wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(134): WC_Cart_Totals->calculate() #8 /wp-content/plugins/woocommerce/includes/class-wc-cart.php(1401): WC_Cart_Totals in /wp-content/plugins/ship-per-product/includes/class-ship-per-product.php on line 222