Warning: Declaration of Cart::getPackageShippingCost($id_carrier = NULL, $use_tax = true, ?Country $default_country = NULL, $product_list = NULL, $id_zone = NULL) should be compatible with CartCore::getPackageShippingCost($id_carrier = NULL, $use_tax = true, ?Country $default_country = NULL, $product_list = NULL, $id_zone = NULL, bool $keepOrderPrices = false) in /www/htdocs/w01e5184/webshop-gb-2026/override/classes/Cart.php on line 16

Fatal error: Uncaught Error: Call to undefined method Tools::jsonDecode() in /www/htdocs/w01e5184/webshop-gb-2026/override/classes/Cart.php:53 Stack trace: #0 /www/htdocs/w01e5184/webshop-gb-2026/src/Core/Cart/Fees.php(96): Cart->getTotalShippingCost(Array, true) #1 /www/htdocs/w01e5184/webshop-gb-2026/src/Core/Cart/Calculator.php(354): PrestaShop\PrestaShop\Core\Cart\Fees->processCalculation(Object(Cart), Object(PrestaShop\PrestaShop\Core\Cart\CartRowCollection), 2, NULL) #2 /www/htdocs/w01e5184/webshop-gb-2026/src/Core/Cart/Calculator.php(155): PrestaShop\PrestaShop\Core\Cart\Calculator->calculateFees() #3 /www/htdocs/w01e5184/webshop-gb-2026/classes/Cart.php(2201): PrestaShop\PrestaShop\Core\Cart\Calculator->processCalculation() #4 /www/htdocs/w01e5184/webshop-gb-2026/src/Adapter/Presenter/Cart/CartLazyArray.php(185): CartCore->getOrderTotal(false) #5 /www/htdocs/w01e5184/webshop-gb-2026/src/Adapter/Presenter/AbstractLazyArray.php(269): PrestaShop\PrestaShop\Adapter\Presenter\Cart\CartLazyArray->getTotals() #6 /www/htd in /www/htdocs/w01e5184/webshop-gb-2026/override/classes/Cart.php on line 53