Reference
GRANT_NOT_FOUND
Access grant not found
Access grant not found
HTTP status 404 Not Found, code GRANT_NOT_FOUND.
What it means#
No active customer access grant with that id exists in the organisation.
What to do#
List the customer's access grants and use an id from the list.
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.