Price By Country by HighAddons
Plugin URL: https://woocommerce.com/products/price-by-country/
To file wp-content\plugins\price-by-country\price-by-country.php add next code:
if (wp_doing_ajax() && strpos($_REQUEST['action'], 'woocs_') !== FALSE) { if (get_option('cbp_enable_module') == 'yes') { require_once WC_CBP_DIR . 'includes/frontend/class-frontend.php'; } }