Register multiple WooCommerce 2.2+ order statuses

add-multiple-wc-order-statuses.php

/**
 * Register new statuses - add an array for each status
 * Tutorial: http://www.sellwithwp.com/woocommerce-custom-order-status-2/
**/
function register_new_wc_order_statuses() {
    register_post_status( 'wc-awaiting-shipment', array(
        'label'                     => 'Awaiting shipment',
        'public'                    => true,
        'exclude_from_search'       => false,
        'show_in_admin_all_list'    => true,
        'show_in_admin_status_list' => true,
        'label_count'               => _n_noop( 'Awaiting shipment <span class="count">(%s)</span>', 'Awaiting shipment <span class="count">(%s)</span>' )
    ) );
    register_post_status( 'wc-packing', array(
        'label'                     => 'Packing',
        'public'                    => true,
        'exclude_from_search'       => false,
        'show_in_admin_all_list'    => true,
        'show_in_admin_status_list' => true,
        'label_count'               => _n_noop( 'Packing <span class="count">(%s)</span>', 'Packing <span class="count">(%s)</span>' )
    ) );
    // repeat register_post_status() for each new status
}
add_action( 'init', 'register_new_wc_order_statuses' );
 
 
// Add new statuses to list of WC Order statuses
function add_new_wc_statuses_to_order_statuses( $order_statuses ) {
 
    $new_order_statuses = array();
 
    // add new order statuses after processing
    foreach ( $order_statuses as $key => $status ) {
 
        $new_order_statuses[ $key ] = $status;
 
        if ( 'wc-processing' === $key ) {
            $new_order_statuses['wc-awaiting-shipment'] = 'Awaiting shipment';
            $new_order_statuses['wc-packing'] = 'Packing';
            // Add a $new_order_statuses[key] = value; for each status you've added (in the order you want)
        }
    }
 
    return $new_order_statuses;
}
add_filter( 'wc_order_statuses', 'add_new_wc_statuses_to_order_statuses' );

when I change the order status to one of these statuses, the report system breaks and shows no sales