Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/voY163e/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9cd5326d-93f4-4ca1-9400-9f084042455a",
      "cw-d65a29f7-098c-4e3c-aeb2-b8c6403f482f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-067d769f-9fbc-411f-be90-d46bd24e1390",
    "manifestId": "https://dam.iuav.it/iuav/containers/voY163e/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d65a29f7-098c-4e3c-aeb2-b8c6403f482f"
  }
}