Fatal error: Uncaught Error: Call to undefined function add_action() in /var/sites/m/marksandbox3.reworkdigital.info/public_html/health/wp-content/plugins/advanced-custom-fields-pro/includes/upgrades.php:450 Stack trace: #0 {main} thrown in /var/sites/m/marksandbox3.reworkdigital.info/public_html/health/wp-content/plugins/advanced-custom-fields-pro/includes/upgrades.php on line 450