Reference
GIFT_CARD_LIMIT
Too many gift cards in the cart
Too many gift cards in the cart
HTTP status 409 Conflict, code GIFT_CARD_LIMIT.
What it means#
A cart holds at most ten gift cards.
What to do#
Check out, then buy more in another order.
On the wire#
Every error response carrying this code names this page in error.moreInfo,
with the request id in the query string. See Error codes for
the response shape and the list of every code.