Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam-antenati.cultura.gov.it/antenati/containers/LoG9qBR/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-41bcca09-dfa4-40c6-9418-17854d6a1025",
      "cw-d53c7522-aeb5-4f58-8185-f8e5c22b2e77"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "LoG9qBR",
    "manifestId": "https://dam-antenati.cultura.gov.it/antenati/containers/LoG9qBR/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d53c7522-aeb5-4f58-8185-f8e5c22b2e77",
    "imageToolsEnabled": true,
    "imageToolsOpen": true
  }
}