Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/v2Dorqe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c3c4d084-0d48-4a9b-9e27-c4191d6a1fbb",
      "cw-e46b5210-02f3-4012-9a1b-50298b0573aa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-755e44ca-a5c1-4769-9753-2e1b66d412b9",
    "manifestId": "https://dam.iuav.it/iuav/containers/v2Dorqe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e46b5210-02f3-4012-9a1b-50298b0573aa"
  }
}