Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.falck.it/falck/containers/JRVmLZM/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5b3cde04-7c29-44c3-afcc-2752976c2938",
      "cw-392c9e67-773c-4921-b7e5-21e010e02a66"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e31d9618-7ecf-4c20-910b-a3030539d855",
    "manifestId": "https://dam.falck.it/falck/containers/JRVmLZM/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-392c9e67-773c-4921-b7e5-21e010e02a66"
  }
}