Fatal error: Uncaught Error: Class 'WC_Payment_Gateway' not found in /usr/www/users/sundawumgq/wp-content/plugins/woocommerce-gateway-direct-pay-online/classes/dpo.class.php:25 Stack trace: #0 /usr/www/users/sundawumgq/wp-content/plugins/woocommerce-gateway-direct-pay-online/gateway-direct-pay-online.php(123): require_once() #1 /usr/www/users/sundawumgq/wp-settings.php(377): include_once('/usr/www/users/...') #2 /usr/www/users/sundawumgq/wp-config.php(51): require_once('/usr/www/users/...') #3 /usr/www/users/sundawumgq/wp-load.php(37): require_once('/usr/www/users/...') #4 /usr/www/users/sundawumgq/wp-blog-header.php(13): require_once('/usr/www/users/...') #5 /usr/www/users/sundawumgq/index.php(17): require('/usr/www/users/...') #6 {main} thrown in /usr/www/users/sundawumgq/wp-content/plugins/woocommerce-gateway-direct-pay-online/classes/dpo.class.php on line 25