Fatal error: Uncaught Error: Class 'WC_Payment_Gateway' not found in /home/1/a/aminoblue/www/wp-content/plugins/vipps-recurring-payments-gateway-for-woocommerce/includes/wc-gateway-vipps-recurring.php:12 Stack trace: #0 /home/1/a/aminoblue/www/wp-content/plugins/vipps-recurring-payments-gateway-for-woocommerce/woo-vipps-recurring.php(159): require_once() #1 /home/1/a/aminoblue/www/wp-content/plugins/vipps-recurring-payments-gateway-for-woocommerce/woo-vipps-recurring.php(147): WC_Vipps_Recurring->init() #2 /home/1/a/aminoblue/www/wp-content/plugins/vipps-recurring-payments-gateway-for-woocommerce/woo-vipps-recurring.php(117): WC_Vipps_Recurring->__construct() #3 /home/1/a/aminoblue/www/wp-content/plugins/vipps-recurring-payments-gateway-for-woocommerce/woo-vipps-recurring.php(803): WC_Vipps_Recurring::get_instance() #4 /home/1/a/aminoblue/www/wp-includes/class-wp-hook.php(292): woocommerce_gateway_vipps_recurring_init('') #5 /home/1/a/aminoblue/www/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #6 in /home/1/a/aminoblue/www/wp-content/plugins/vipps-recurring-payments-gateway-for-woocommerce/includes/wc-gateway-vipps-recurring.php on line 12