Fatal error: Uncaught Error: Call to undefined function add_action() in /home/infopask/public_html/chocodou/goblok-lu-wan/plugins/woocommerce-checkout-manager/includes/controller/class-wooccm-email.php:10 Stack trace: #0 /home/infopask/public_html/chocodou/goblok-lu-wan/plugins/woocommerce-checkout-manager/includes/controller/class-wooccm-email.php(18): WOOCCM_Order_Email_Controller->__construct() #1 /home/infopask/public_html/chocodou/goblok-lu-wan/plugins/woocommerce-checkout-manager/includes/controller/class-wooccm-email.php(131): WOOCCM_Order_Email_Controller::instance() #2 {main} thrown in /home/infopask/public_html/chocodou/goblok-lu-wan/plugins/woocommerce-checkout-manager/includes/controller/class-wooccm-email.php on line 10