Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/0ADDkn3/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-de7e8816-326a-4cbf-919f-e4a20f9fec72",
      "cw-1183b464-16ff-4c3f-9731-3af1e1143116"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "0ADDkn3",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/0ADDkn3/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1183b464-16ff-4c3f-9731-3af1e1143116",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}