Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/e0B8qmv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4bc835fa-b217-4d97-9b88-b7eab76ede22",
      "cw-538a905d-9629-47dd-8303-0cc8f92e117f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-be68c1da-66bd-486d-a39d-e8a402aec5d2",
    "manifestId": "https://dam.iuav.it/iuav/containers/e0B8qmv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-538a905d-9629-47dd-8303-0cc8f92e117f"
  }
}