First, ensure that you’ve selected all necessary options for your chosen delivery box, then check that the code/voucher is still within the expiry date.
Please note that discount code issues often arise when a new customer code has been applied by an existing customer and vice versa.
If you’re still having issues, use another browser or open an incognito window on your device, as this may fix the issue. If the issue continues, simply
contact the customer care team and we will provide further assistance.