Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/eWYxp0v/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d3b259c9-83f0-47b9-92b5-7b61b75843d8",
      "cw-fbcc30ad-05ff-4be1-9232-b01e931431e5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b4cf5d64-3081-4e62-bb36-fae3da324d84",
    "manifestId": "https://dam.iuav.it/iuav/containers/eWYxp0v/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fbcc30ad-05ff-4be1-9232-b01e931431e5"
  }
}