Local MCP ZodError

{
  "error": {
    "type": "HTTPError",
    "status": 404,
    "summary": "Invalid OAuth error response",
    "validation_error": {
      "name": "ZodError",
      "issues": [
        {
          "expected": "string",
          "received": "undefined",
          "code": "invalid_type",
          "path": ["error"],
          "message": "Invalid input: expected string, received undefined"
        }
      ]
    },
    "raw_body": {
      "message": "no Route matched with those values"
    }
  }
}