allInfoShelley.graphql example query returns an error about non-nullable field ShelleyGenesis.protocolMagicId.

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This example query no longer works.

GraphQL query:
https://github.com/input-output-hk/cardano-graphql/blob/master/packages/api-genesis/src/example_queries/allInfoShelley.graphql

Error:

{
  "errors": [
    {
      "message": "Cannot return null for non-nullable field ShelleyGenesis.protocolMagicId.",
      "locations": [
        {
          "line": 12,
          "column": 7
        }
      ],
      "path": [
        "genesis",
        "shelley",
        "protocolMagicId"
      ],
      "extensions": {
        "code": "INTERNAL_SERVER_ERROR",
        "exception": {
          "stacktrace": [
            "Error: Cannot return null for non-nullable field ShelleyGenesis.protocolMagicId.",
            "    at completeValue (/application/node_modules/graphql/execution/execute.js:560:13)",
            "    at completeValueCatchingError (/application/node_modules/graphql/execution/execute.js:495:19)",
            "    at resolveField (/application/node_modules/graphql/execution/execute.js:435:10)",
            "    at executeFields (/application/node_modules/graphql/execution/execute.js:275:18)",
            "    at collectAndExecuteSubfields (/application/node_modules/graphql/execution/execute.js:713:10)",
            "    at completeObjectValue (/application/node_modules/graphql/execution/execute.js:703:10)",
            "    at completeValue (/application/node_modules/graphql/execution/execute.js:591:12)",
            "    at completeValueCatchingError (/application/node_modules/graphql/execution/execute.js:495:19)",
            "    at resolveField (/application/node_modules/graphql/execution/execute.js:435:10)",
            "    at executeFields (/application/node_modules/graphql/execution/execute.js:275:18)"
          ]
        }
      }
    }
  ],
  "data": {
    "genesis": {
      "shelley": null
    }
  }
}