Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.falck.it/falck/containers/bRrOj19/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-928b5c9d-01f8-4af2-81e7-4e8b1bc1b0bd",
      "cw-c16ea97c-a7c0-4c7d-a95e-012381434578"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2256339e-8a14-43e7-bfdc-5fee2b81696e",
    "manifestId": "https://dam.falck.it/falck/containers/bRrOj19/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c16ea97c-a7c0-4c7d-a95e-012381434578"
  }
}