Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/2AOr8gv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6b583a5d-de3e-46d7-b13c-d6331ac13d1d",
      "cw-152a1641-b4ff-48f3-a09f-fe8126251ec5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5ffd2bb8-ee01-4b66-945c-285ffc466f74",
    "manifestId": "https://dam.iuav.it/iuav/containers/2AOr8gv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-152a1641-b4ff-48f3-a09f-fe8126251ec5"
  }
}