Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/2AOW0BA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e77ac71a-bd80-4a50-b36f-307a854e76f2",
      "cw-013719fe-222f-4a35-bd5a-5996186435cc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-584d0a6e-f12c-42dc-bb0a-61b48820b63c",
    "manifestId": "https://dam.iuav.it/iuav/containers/2AOW0BA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-013719fe-222f-4a35-bd5a-5996186435cc"
  }
}