Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/wbONpOd/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-56a6501b-bd1a-4101-a94d-bc7d1dd97e61",
      "cw-29a3949e-ce07-4a85-895a-0806ff142af8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "wbONpOd",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/wbONpOd/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-29a3949e-ce07-4a85-895a-0806ff142af8",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}