Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/LaP6exW/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-45aaf37e-968a-4d74-b79f-78d2bd7a2d8e",
      "cw-7597937a-30ed-4b1a-9215-8e1b026734ac"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "LaP6exW",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/LaP6exW/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7597937a-30ed-4b1a-9215-8e1b026734ac",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}