Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.falck.it/falck/containers/wRPy5g9/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0311e35d-2b8a-4eaa-b39c-debb02cdf9a5",
      "cw-89e05a20-5b3f-4f21-8b4b-dbc86fa3f7be"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-80529b78-a1f8-4aa0-973f-95f82a140fcb",
    "manifestId": "https://dam.falck.it/falck/containers/wRPy5g9/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-89e05a20-5b3f-4f21-8b4b-dbc86fa3f7be"
  }
}