Fatal error: Uncaught Error: Call to undefined function add_filter() in D:\XAMPP\htdocs\jrmsumain\dapitan\jrmsumain_v2\wp-includes\default-filters.php:17 Stack trace: #0 {main} thrown in D:\XAMPP\htdocs\jrmsumain\dapitan\jrmsumain_v2\wp-includes\default-filters.php on line 17