Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vXYk4PA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9377f0ea-7a1d-49a7-8291-db93cf5fd8ae",
      "cw-a3503f6a-698e-4f12-8ff6-bc296521d152"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-35e74411-ca9c-4e2f-b845-d0679f74b85c",
    "manifestId": "https://dam.iuav.it/iuav/containers/vXYk4PA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a3503f6a-698e-4f12-8ff6-bc296521d152"
  }
}