Reference
CHANNEL_KEY_NOT_FOUND
Channel key not found
Channel key not found
HTTP status 404 Not Found, code CHANNEL_KEY_NOT_FOUND.
What it means#
No key with that id exists on this channel.
What to do#
List the channel's keys 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.