Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/9ZNmQme/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f9cf111d-1459-4a2c-8a4a-3f0c5a93e486",
      "cw-89eefbac-c7df-4804-94a4-b3213a17d0fe"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-636699c7-eccb-48d8-b749-7401d8388534",
    "manifestId": "https://dam.iuav.it/iuav/containers/9ZNmQme/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-89eefbac-c7df-4804-94a4-b3213a17d0fe"
  }
}