Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/2AKJVBv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-62406f96-b074-4b60-86d2-cb57904a4352",
      "cw-65571f5b-5960-423c-afc9-af17ccbc86d8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-03e91001-5670-4439-8a9f-02e23b9f4772",
    "manifestId": "https://dam.iuav.it/iuav/containers/2AKJVBv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-65571f5b-5960-423c-afc9-af17ccbc86d8"
  }
}