Fatal error: Uncaught Error: Call to undefined function do_action() in /home/sites/14b/d/de45cfcc2b/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/templates/klarna-checkout.php:11 Stack trace: #0 {main} thrown in /home/sites/14b/d/de45cfcc2b/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/templates/klarna-checkout.php on line 11