Fatal error: Uncaught Error: Call to a member function get_tax_class() on null in /home/f2ro579337/f2rofficial.com/docs/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php:225 Stack trace: #0 /home/f2ro579337/f2rofficial.com/docs/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(651): WC_Cart_Totals->get_items_from_cart() #1 /home/f2ro579337/f2rofficial.com/docs/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(143): WC_Cart_Totals->calculate_item_totals() #2 /home/f2ro579337/f2rofficial.com/docs/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(134): WC_Cart_Totals->calculate() #3 /home/f2ro579337/f2rofficial.com/docs/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1398): WC_Cart_Totals->__construct(Object(WC_Cart)) #4 /home/f2ro579337/f2rofficial.com/docs/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1357): WC_Cart->calculate_totals() #5 /home/f2ro579337/f2rofficial.com/docs/wp-content/themes/f2rofficial/template-setquantity.php(22): WC_Cart in /home/f2ro579337/f2rofficial.com/docs/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php on line 225