Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/2AOngPv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-df9fb9ac-6bf2-41c4-a680-79b4ca7a3131",
      "cw-548d8ae8-3229-4505-9a37-c1656e028cff"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-21e80f28-157a-4977-b1e5-493028a5ed82",
    "manifestId": "https://dam.iuav.it/iuav/containers/2AOngPv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-548d8ae8-3229-4505-9a37-c1656e028cff"
  }
}