Fatal error: Uncaught Error: Call to undefined function apply_filters() in C:\xampp\htdocs\wp-content\plugins\advanced-custom-fields\includes\admin\views\global\form-top.php:3 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\advanced-custom-fields\includes\admin\views\global\form-top.php on line 3