EXCHANGE_ALREADY_DONE

Holder already exchanged

HTTP status 409 Conflict, code EXCHANGE_ALREADY_DONE.

What it means#

This holder has already swapped for a wristband; a second exchange is refused.

What to do#

Check the wristband they have. A lost wristband is re-issued at the desk: revoke its chip and bind a new one.

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.