/*

code snippet that adds "no result" message for shortcodes, this should be used in functions.php of child theme

Please note shortcode name between woocommerce_shortcode_ and _loop_no_results, you can add this for any shortcode just insert there its name.

*/
function wsa_action_woocommerce_shortcode_products_loop_no_results( $attributes ) {
    echo __( 'No auction(s) found.', 'my-language-domain' );
}
add_action( 'woocommerce_shortcode_my_active_auctions_loop_no_results', 'wsa_action_woocommerce_shortcode_products_loop_no_results', 10, 1 );
add_action( 'woocommerce_shortcode_recent_auctions_loop_no_results', 'wsa_action_woocommerce_shortcode_products_loop_no_results', 10, 1 );