add_action('init', function() {
    if (isset($_GET['action']) && $_GET['action'] == 'register') {
        wp_redirect(home_url());
        exit;
    }
});
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://aquaticshippingline.com/wp-sitemap-index.xsl" ?>
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