Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/dvL9oDA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-50a45bfa-1e60-4c23-aa28-65685ccb425d",
      "cw-894b3833-c079-40c2-b387-d2befba2aaed"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ef9a5d0f-6661-4614-972f-336ad79dad91",
    "manifestId": "https://dam.iuav.it/iuav/containers/dvL9oDA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-894b3833-c079-40c2-b387-d2befba2aaed"
  }
}