errors5.json

{
  "errors":[
    {
      "message":"Cannot query field \"__typenam\" on type \"Query\".",
      "locations":[
        {
          "line":1,
          "column":2
        }
      ],
      "extensions":{
        "code":"GRAPHQL_VALIDATION_FAILED",
        "exception":{
          "stacktrace":[
            "GraphQLError: Cannot query field \"__typenam\" on type \"Query\".",
            "    at Object.Field (/my_project/node_modules/graphql/validation/rules/FieldsOnCorrectTypeRule.js:48:31)",
            "    ...additional lines...",
          ]
        }
      }
    }
  ]
}