Reference
ADD_ON_HOLDER_MISMATCH
Add-on cannot go to that holder
Add-on cannot go to that holder
HTTP status 409 Conflict, code ADD_ON_HOLDER_MISMATCH.
What it means#
The holder is the wrong kind (parking goes to a vehicle), has none of the add-on's parent tickets, is for another event, or is on someone else's booking.
What to do#
Choose one of the holders the add-on can go to; the holders view lists them.
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.