Unexpected API response layout or error: {
  "error": {
    "code": 401,
    "message": "API key not valid. Please pass a valid API key.",
    "status": "UNAUTHENTICATED",
    "details": [
      {
        "@type": "type.googleapis.com/google.rpc.ErrorInfo",
        "reason": "ACCESS_TOKEN_TYPE_UNSUPPORTED",
        "metadata": {
          "method": "google.ai.generativelanguage.v1beta.GenerativeService.GenerateContent",
          "service": "generativelanguage.googleapis.com"
        }
      }
    ]
  }
}