Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/Zq0oYke/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-eef72bd6-3f9a-4c44-ac94-f0dfc5d98009",
      "cw-81fee429-2fa3-4074-b328-63c56f4e61d2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cd9b8bef-9b74-495b-8a30-24e5bbd05938",
    "manifestId": "https://dam.iuav.it/iuav/containers/Zq0oYke/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-81fee429-2fa3-4074-b328-63c56f4e61d2"
  }
}