Fatal error: Uncaught Error: Call to undefined function determine_locale() in /home/.sites/260/site4078379/web/wp-content/plugins/yith-woocommerce-catalog-mode/plugin-fw/yit-plugin.php:50 Stack trace: #0 /home/.sites/260/site4078379/web/wp-content/plugins/yith-woocommerce-catalog-mode/class-yith-woocommerce-catalog-mode.php(862): require_once() #1 /home/.sites/260/site4078379/web/wp-includes/class-wp-hook.php(298): YITH_WooCommerce_Catalog_Mode->plugin_fw_loader('') #2 /home/.sites/260/site4078379/web/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #3 /home/.sites/260/site4078379/web/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #4 /home/.sites/260/site4078379/web/wp-settings.php(325): do_action('plugins_loaded') #5 /home/.sites/260/site4078379/web/wp-config.php(115): require_once('/home/.sites/26...') #6 /home/.sites/260/site4078379/web/wp-load.php(37): require_once('/home/.sites/26...') #7 /home/.sites/260/site4078379/web/wp-blog-header.php(13): require_once('/home/.sites/26...') #8 /hom in /home/.sites/260/site4078379/web/wp-content/plugins/yith-woocommerce-catalog-mode/plugin-fw/yit-plugin.php on line 50