KT-CT-10050

{
  "errors": [
    {
      "message": "Account is not a subject of the contract.",
      "extensions": {
        "errorType": "VALIDATION",
        "errorDescription": "A removal or update references an account that is not currently a member of the contract's subject group.",
        "errorCode": "KT-CT-10050"
      }
    }
  ]
}