Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AKKOaPA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d5a249ad-cb1c-4bf1-89d8-426bc7383d55",
      "cw-e2eeb991-42e0-4e95-9299-4c2c5086fa76"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c8475ddb-ce79-4d32-a6a4-ad2efab80386",
    "manifestId": "https://dam.iuav.it/iuav/containers/AKKOaPA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e2eeb991-42e0-4e95-9299-4c2c5086fa76"
  }
}