Fatal error: Uncaught Error: Call to undefined function add_action() in /www/web_ecpol_php81/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-attachment.php:29 Stack trace: #0 /www/web_ecpol_php81/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-attachment.php(208): acf_form_attachment->__construct() #1 {main} thrown in /www/web_ecpol_php81/wp-content/plugins/advanced-custom-fields-pro/includes/forms/form-attachment.php on line 29