Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dam.iuav.it/iuav/containers/AJKqkbe/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-415d6c53-be21-4e91-b96f-6fc75e13eae1",
      "cw-5c8a2170-672b-4e99-a74d-156d0217728e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-64d67041-41dd-4550-8fb7-8008d4df55bf",
    "manifestId": "https://dam.iuav.it/iuav/containers/AJKqkbe/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5c8a2170-672b-4e99-a74d-156d0217728e"
  }
}