Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/vdxlrwv/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8585df42-82d4-4cf6-946f-1ead7114f5c8",
      "cw-46c7ada5-6092-4f19-9dbb-b242b04a418b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-76706989-def1-4bb2-a62b-dcff775770b7",
    "manifestId": "https://dam.iuav.it/iuav/containers/vdxlrwv/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-46c7ada5-6092-4f19-9dbb-b242b04a418b"
  }
}