Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e165WlZ/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1abc9daf-676d-4b63-94e7-4ccd67abe0f0",
      "cw-368a834a-95eb-4096-94a9-2daa390c3644"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9c1e55e2-b448-48ef-b459-9a958a927777",
    "manifestId": "https://dam.iuav.it/iuav/containers/e165WlZ/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-368a834a-95eb-4096-94a9-2daa390c3644"
  }
}