Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vX5YJPA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-48bdc1fc-2902-40b9-863f-77ec6fb2ab29",
      "cw-d45f1b27-2a10-482e-9bb2-6f1524956107"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-eb42734d-a88d-4724-8d4c-98ea8af2ee9c",
    "manifestId": "https://dam.iuav.it/iuav/containers/vX5YJPA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d45f1b27-2a10-482e-9bb2-6f1524956107"
  }
}