User does not belong to this account

The Synup API returns SY81020 in the errors array when this happens.

What the response looks like

{
  "data": null,
  "errors": [
    {
      "message": "User does not belong to this account",
      "context": {},
      "code": "SY81020"
    }
  ]
}

Where it comes from

Documented under User. The context field carries the offending value when one is relevant, and is empty otherwise.

See the full error code reference for every code the API can return.

Other User errors