Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/DvQr0xA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1eec06e6-c49c-463c-81b2-e529454c8eee",
      "cw-a92dfa00-d0ee-4f3a-9ddf-f6f36394e553"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-47755e89-c86b-4c95-8be2-f76bacd12236",
    "manifestId": "https://dam.iuav.it/iuav/containers/DvQr0xA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a92dfa00-d0ee-4f3a-9ddf-f6f36394e553"
  }
}