Fatal error: Uncaught Error: Call to undefined function add_action() in /home/successforkids/public_html/wp-content/plugins/authorizenet-payment-gateway-for-woocommerce/index.php:14 Stack trace: #0 {main} thrown in /home/successforkids/public_html/wp-content/plugins/authorizenet-payment-gateway-for-woocommerce/index.php on line 14