Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/9AJzyDA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dc5d4add-e3ab-4823-a120-85c0ddec7aab",
      "cw-a6a028fc-e4da-4c81-bfe1-552880945d0a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ca29d16d-879e-418e-9b7a-3911c9666742",
    "manifestId": "https://dam.iuav.it/iuav/containers/9AJzyDA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a6a028fc-e4da-4c81-bfe1-552880945d0a"
  }
}