Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AOKWYJA/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4d87c9a1-fb2d-4694-ba68-8f3bf4c895b5",
      "cw-1032b4a6-6afb-4582-b285-d93a7a472e32"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-79385ecf-fdec-421d-a28f-e9cb34797bb9",
    "manifestId": "https://dam.iuav.it/iuav/containers/AOKWYJA/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1032b4a6-6afb-4582-b285-d93a7a472e32"
  }
}