Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vRdWKVe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8b71555f-e682-4e10-a7a0-d584ff7335a0",
      "cw-9c39c88b-1013-4ec4-92cb-42ca50030a27"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5c6d3e1e-c413-46a3-972c-3b7efbfbad6b",
    "manifestId": "https://dam.iuav.it/iuav/containers/vRdWKVe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9c39c88b-1013-4ec4-92cb-42ca50030a27"
  }
}