Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AJKqmDe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-250a37a7-a3ff-4d05-977d-851b6e1e04b7",
      "cw-dbb35e4c-ed64-49f8-a643-a557d3d09287"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e46c8c8c-03dc-4290-aa2a-950bd3132fb5",
    "manifestId": "https://dam.iuav.it/iuav/containers/AJKqmDe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dbb35e4c-ed64-49f8-a643-a557d3d09287"
  }
}