Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/eyKDBDv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-70a52f37-78ca-4c9a-bdce-c9f9de836a92",
      "cw-ca7a8fef-2c43-426f-84b6-73d9d6fe805c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a57de2e8-70ad-4f95-a461-4171383303f3",
    "manifestId": "https://dam.iuav.it/iuav/containers/eyKDBDv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ca7a8fef-2c43-426f-84b6-73d9d6fe805c"
  }
}