[Resolved] Split: Theme settings not working after WPML update

function custom_wpml_set_duplicate_permalink($post_id) {
    // Ensure we're not in an autosave routine
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return;
    }

    // Check if this is a WPML duplicate
    $is_duplicate = get_post_meta($post_id, '_wpml_duplicate', true);

    if (!$is_duplicate) {
        return;
    }

    // Get the original post ID
    $original_post_id = apply_filters('wpml_object_id', $post_id, get_post_type($post_id), false, wpml_get_default_language());

    if (!$original_post_id) {
        return;
    }

    // Get the original post's slug
    $original_post = get_post($original_post_id);
    $original_slug = $original_post->post_name;

    if ($original_slug) {
        // Update the duplicated post's slug to match the original
        remove_action('save_post', 'custom_wpml_set_duplicate_permalink'); // Prevent infinite loop
        wp_update_post([
            'ID' => $post_id,
            'post_name' => $original_slug
        ]);
        add_action('save_post', 'custom_wpml_set_duplicate_permalink'); // Re-add after update
    }
}
add_action('save_post', 'custom_wpml_set_duplicate_permalink');