Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vGEE1oe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-611c5853-d870-4aaf-88a7-2bce049cd38b",
      "cw-c0dcc127-4501-4134-9008-12cd03c3f61c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f2a57eb5-32b6-4763-95bf-de1e82397be4",
    "manifestId": "https://dam.iuav.it/iuav/containers/vGEE1oe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c0dcc127-4501-4134-9008-12cd03c3f61c"
  }
}