Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AKKMaNA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5e622c24-525e-454b-8574-a38427ae398d",
      "cw-35fc1635-cf58-43dd-8d1a-36a383258846"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-98503852-c2da-405f-b909-5941ab705d55",
    "manifestId": "https://dam.iuav.it/iuav/containers/AKKMaNA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-35fc1635-cf58-43dd-8d1a-36a383258846"
  }
}