# INVITATION_ACCEPTED: Invitation already accepted

> The invitation was accepted already, so it cannot be changed or revoked.

Sent by the management API (409). The page: https://coho-cms.com/errors/invitation-accepted/

## What to do

Manage the person as a member of the organization instead.

## The response

```json
{
  "code": "INVITATION_ACCEPTED",
  "type": "https://coho-cms.com/errors/invitation-accepted",
  "title": "Invitation already accepted",
  "status": 409,
  "detail": "What went wrong in this request, in a sentence.",
  "instance": "/v1/projects/…"
}
```

Every error code: https://coho-cms.com/errors/