To remove the addon for bxgy free product (compatability for Woocommerce Custom Product Addons (5.x

Remove the add-on for free products in 'Buy X Get Y' promotions, compatible with Woocommerce Custom Product Addons (5.x.x).

add_filter('advanced_woo_discount_rules_free_product_cart_item_data', function($cart_item_data, $existing_cart_item) {
    $cart_item_data['wcpaIgnore'] = 1;
    return $cart_item_data;
}, 1, 2);