Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/LvxoxJZ/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1aac2084-1799-4d50-a131-65d0a230ce8b",
      "cw-6dc2b9c4-b338-464d-bba1-3844f5029c06"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f6575211-cdc9-4659-8b50-4142f6bb1162",
    "manifestId": "https://dam.iuav.it/iuav/containers/LvxoxJZ/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6dc2b9c4-b338-464d-bba1-3844f5029c06"
  }
}