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