@WILLLANO13@JumiaKenya Had the same problem. We could only see "COUPON / SUREGIFTS GIFT CARDS" and when we entered the voucher code in that space.... totally ignored.
@JumiaKenya HELP! Is you "Twitter Live Help" as (described on your website https://t.co/MmShHnTubB) off-duty at this time? We've been trying to get your attention for 20 minutes now...