Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/9AJzyDA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9e3cd4e1-c0a1-45eb-b3bf-424cf95dfcb4",
      "cw-9ce1abba-fb81-4c25-a11c-df8778f29d72"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3cb0cd99-3ac6-414a-b445-63c2133e186f",
    "manifestId": "https://dam.iuav.it/iuav/containers/9AJzyDA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9ce1abba-fb81-4c25-a11c-df8778f29d72"
  }
}