Validation failed for Template: account_id can't be blank

The Synup API returns SY40011 in the errors array when this happens.

What the response looks like

{
  "data": null,
  "errors": [
    {
      "message": "Validation failed for Template: account_id can't be blank",
      "context": {},
      "code": "SY40011"
    }
  ]
}

Where it comes from

Documented under Notifications. 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 Notifications errors