Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vGE57Ye/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d8f71aa0-e26a-4f39-9156-5c5d326d8ac2",
      "cw-dde2a45c-5a11-443b-8dd0-f62fad94159e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-551af340-56c1-4e73-9106-4d659e5a536c",
    "manifestId": "https://dam.iuav.it/iuav/containers/vGE57Ye/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dde2a45c-5a11-443b-8dd0-f62fad94159e"
  }
}