Fatal error: Uncaught Error: Call to undefined function add_action() in /home/pubconcom/public_html/wp-content/plugins/PW-Advanced-Woocommerce-Reporting-System/class/customefields.php:6 Stack trace: #0 {main} thrown in /home/pubconcom/public_html/wp-content/plugins/PW-Advanced-Woocommerce-Reporting-System/class/customefields.php on line 6