Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AJKjz2e/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6590f0e3-d9fc-4d60-bf00-caeb17489c9c",
      "cw-1eae3827-ed55-4f94-9208-bdef014c713c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c214e92e-a1d6-4402-986a-793a9b986daf",
    "manifestId": "https://dam.iuav.it/iuav/containers/AJKjz2e/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1eae3827-ed55-4f94-9208-bdef014c713c"
  }
}