Fatal error: Uncaught Error: Call to undefined function add_action() in /home/propicalestates/public_html/wp-content-keep it /plugins/leaky-paywall/include/gateways/gateway-functions.php:21 Stack trace: #0 {main} thrown in /home/propicalestates/public_html/wp-content-keep it /plugins/leaky-paywall/include/gateways/gateway-functions.php on line 21