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TypeError: Failed to fetch

{
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    "error": "TypeError: Failed to fetch",
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    "isFetching": false
  },
  "viewer": null,
  "window": {
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    "collectionIndex": 0,
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    "companionWindowIds": [
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    "id": "window-258a2c48-dc69-45cc-915f-ad0864e8d120",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/w12b17O/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
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    "imageToolsOpen": true,
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