Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, null given in /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce-shipping-fedex/includes/box-packer/class-wc-boxpack.php:114 Stack trace: #0 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce-shipping-fedex/includes/class-wc-shipping-fedex.php(644): WC_Boxpack->pack() #1 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce-shipping-fedex/includes/class-wc-shipping-fedex.php(425): WC_Shipping_Fedex->box_shipping() #2 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce-shipping-fedex/includes/class-wc-shipping-fedex.php(1214): WC_Shipping_Fedex->get_fedex_packages() #3 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-shipping-method.php(257): WC_Shipping_Fedex->calculate_shipping() #4 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-shipping.php(348): WC_Shipping_Method->get_rates_for_package() #5 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-shipping.php(260): WC_Shipping->calculate_shipping_for_package() #6 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1431): WC_Shipping->calculate_shipping() #7 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(346): WC_Cart->calculate_shipping() #8 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(857): WC_Cart_Totals->get_shipping_from_cart() #9 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(151): WC_Cart_Totals->calculate_shipping_totals() #10 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(141): WC_Cart_Totals->calculate() #11 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1409): WC_Cart_Totals->__construct() #12 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-includes/class-wp-hook.php(322): WC_Cart->calculate_totals() #13 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #14 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #15 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1287): do_action() #16 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(853): WC_Cart->add_to_cart() #17 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(825): WC_Form_Handler::add_to_cart_handler_simple() #18 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-includes/class-wp-hook.php(324): WC_Form_Handler::add_to_cart_action() #19 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #20 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #21 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-settings.php(726): do_action() #22 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-config.php(117): require_once('/home/u88416979...') #23 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-load.php(50): require_once('/home/u88416979...') #24 /home/u884169794/domains/mgmmarketplace.com/public_html/wp-blog-header.php(13): require_once('/home/u88416979...') #25 /home/u884169794/domains/mgmmarketplace.com/public_html/index.php(17): require('/home/u88416979...') #26 {main} thrown in /home/u884169794/domains/mgmmarketplace.com/public_html/wp-content/plugins/woocommerce-shipping-fedex/includes/box-packer/class-wc-boxpack.php on line 114