Fatal error: Uncaught Error: Call to undefined function add_action() in /home/clmepl5/public_html/web/app/plugins/acf-frontend-form-element/main/custom-fields/includes/upgrades.php:450 Stack trace: #0 {main} thrown in /home/clmepl5/public_html/web/app/plugins/acf-frontend-form-element/main/custom-fields/includes/upgrades.php on line 450