Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/eyKyWKv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-eaf66792-4502-4480-a8d0-7d1dc36f174d",
      "cw-28bd691d-b3e2-46ca-8065-e464f5c3bca7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-98b3755d-aebd-4cf5-8eca-72dcc5d9b7b8",
    "manifestId": "https://dam.iuav.it/iuav/containers/eyKyWKv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-28bd691d-b3e2-46ca-8065-e464f5c3bca7"
  }
}