Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/034dK1R/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-822f3a7e-8e6d-4cd8-98a0-1cda9f91259b",
      "cw-53748f1c-181a-4c54-b4b9-3b34a86ae1a7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "034dK1R",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/034dK1R/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-53748f1c-181a-4c54-b4b9-3b34a86ae1a7",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}