Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/Ye0X8Qe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f4857550-b5b3-43bb-a49c-7e1a79ad1d08",
      "cw-a5df282e-5de8-4bdb-a690-43709f666856"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-88645bde-66a6-4f65-8ef4-4c7bec34732c",
    "manifestId": "https://dam.iuav.it/iuav/containers/Ye0X8Qe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a5df282e-5de8-4bdb-a690-43709f666856"
  }
}