Fatal error: Uncaught Error: Call to undefined function add_action() in C:\xampp\htdocs\wo\woocommerce\includes\admin\class-wc-admin-brands.php:46 Stack trace: #0 C:\xampp\htdocs\wo\woocommerce\includes\admin\class-wc-admin-brands.php(829): WC_Brands_Admin->__construct() #1 {main} thrown in C:\xampp\htdocs\wo\woocommerce\includes\admin\class-wc-admin-brands.php on line 46