Fatal error: Uncaught Error: Class 'WC_Blocks_Utils' not found in /var/www/sleepify.se/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/src/Utility/BlocksUtility.php:14 Stack trace: #0 /var/www/sleepify.se/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/blocks/src/BlockExtension.php(50): Krokedil\KustomCheckout\Utility\BlocksUtility::is_checkout_block_enabled() #1 /var/www/sleepify.se/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/blocks/src/BlockExtension.php(41): Krokedil\KustomCheckout\Blocks\BlockExtension->init_checkout_block() #2 /var/www/sleepify.se/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/klarna-checkout-for-woocommerce.php(301): Krokedil\KustomCheckout\Blocks\BlockExtension->__construct() #3 /var/www/sleepify.se/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/klarna-checkout-for-woocommerce.php(167): KCO->init_gateways() #4 /var/www/sleepify.se/public_html/wp-includes/class-wp-hook.php(310): KCO->init('') #5 /var/www/sleepify.se/pub in /var/www/sleepify.se/public_html/wp-content/plugins/klarna-checkout-for-woocommerce/src/Utility/BlocksUtility.php on line 14