Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/DvQYKWv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9a978a64-14f0-405e-b1e9-bf0b67459695",
      "cw-ff2dc870-ce7b-4d2f-a2d1-7a21bd84dfa4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3f36e7c7-887c-470e-9609-d84d36b78703",
    "manifestId": "https://dam.iuav.it/iuav/containers/DvQYKWv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ff2dc870-ce7b-4d2f-a2d1-7a21bd84dfa4"
  }
}