Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vRdk2Le/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4669af05-5d88-42bc-bd05-6b63ab7a709e",
      "cw-d4ef30c8-f676-47c9-94de-262e4d76815b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-435409c4-3b07-498d-9e2c-eeae769f5092",
    "manifestId": "https://dam.iuav.it/iuav/containers/vRdk2Le/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d4ef30c8-f676-47c9-94de-262e4d76815b"
  }
}