Fatal error: Uncaught Error: Call to undefined function add_action() in /home/user2040093/www/belaquilon.by/wp-content/plugins/advanced-custom-fields/includes/forms/form-attachment.php:31 Stack trace: #0 /home/user2040093/www/belaquilon.by/wp-content/plugins/advanced-custom-fields/includes/forms/form-attachment.php(214): acf_form_attachment->__construct() #1 {main} thrown in /home/user2040093/www/belaquilon.by/wp-content/plugins/advanced-custom-fields/includes/forms/form-attachment.php on line 31