Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/ZNnR2BZ/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b8173fbf-964e-447e-84b9-fbd69ced4c94",
      "cw-263b99e9-fe87-47f6-9fb9-3dae57514106"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-97ed5714-b29f-4dbe-94db-f4bd03bb6680",
    "manifestId": "https://dam.iuav.it/iuav/containers/ZNnR2BZ/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-263b99e9-fe87-47f6-9fb9-3dae57514106"
  }
}