Reference
INVITATION_EXISTS
An invitation is already open for this email
An invitation is already open for this email
HTTP status 409 Conflict, code INVITATION_EXISTS.
What it means#
An active invitation already exists for that email address.
What to do#
Resend the existing invitation, or delete it before creating another.
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.