Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/2AKrQDv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3790e04c-f1bc-40f8-9ec3-34bd4b3c998c",
      "cw-62daf1fd-8334-4e15-a3e1-c6eed87c3993"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b93306c4-cbf4-46d0-8d99-29238269c224",
    "manifestId": "https://dam.iuav.it/iuav/containers/2AKrQDv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-62daf1fd-8334-4e15-a3e1-c6eed87c3993"
  }
}