Fatal error: Uncaught Error: Call to undefined function WC() in /home/sites/14b/d/de45cfcc2b/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/templates/klarna-checkout-order-received.php:10 Stack trace: #0 {main} thrown in /home/sites/14b/d/de45cfcc2b/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/templates/klarna-checkout-order-received.php on line 10